Calculate the percentage of nitrogen in urea. Urea is a very important nitrogenous fertilizer.

Calculate the percentage of nitrogen in urea Thus add 65 g urea to 935 g of water, using the methodology in item 1. 1 46. Feb 25, 2018 · Explanation: The chemical formula for urea is To calculate the percentage composition of an element in a compound, we use the equation: In 1 mole of urea, 2 moles of nitrogen atoms are there. Calculate the elemental composition of ethanol (C2H5OH) including C, H, and O. In the past decade, urea has surpassed anhydrous ammonia as the main source of nitrogen Aug 22, 2022 · , The percentage of nitrogen in urea is about - (A) 70 (B) 63 (C) 47, , PW Solutions 406K subscribers Subscribed. The agricultural industry widely uses urea, a white crystalline solid containing 46 percent nitrogen, as an animal feed additive and fertilizer. The specific methods used in this study are briefly summarized below. % Composition of Nitrogen in Urea = 100 × Weight of total nitrogen atoms in compound Molecular weight of Urea Atomic weight of Nitrogen is 14 g m m o l 1 and Molecular formula of Urea is C H 4 N 2 O. Percent-by-weight nitrogen: if a 3 percent-by-weight solution, by weight as nitrogen is desired, first calculate what the percentage would be as percent urea: 3 weight percent nitrogen x (60 / 28) = 6. A majority of nitrogen is excreted as urea in the urine; however, fecal nitrogen can account for 30% to 50% of total nitrogen excretion. Therefore, it has very low transportation costs per unit nitrogen. To find the percentage of nitrogen in urea, divide the molar mass contribution of nitrogen by the total molar mass of urea and multiply by 100. 9994% Oxygen O 15. 6 61. Similar questions Q. Given : R. Jun 14, 2023 · To calculate the percentage of nitrogen in urea (NH2CONH2), we need to determine the molar mass of nitrogen in urea and divide it by the molar mass of urea, then multiply by 100 to convert it to a percentage. = (Atomic masses: Nitrogen = 14; Hydrogen = 1; Carbon = 12 Oxygen = 16) = 14 + 2 (1) + 12 + 16 + 14 + 2 (1) = 60. Calculate the percentage of oxygen in potassium chlorate. Mass of urea = Mass of nitrogen element = Putting values in above equation, we get: Hence, percentage of nitrogen in urea is 46. Assume N is 46% in urea and 18% in DAP and P2O5 is 46% in DAP fertilizer. 7%. (C = 12, O = 16, N = 14 and H = 1). Nov 1, 2022 · Determine target N rates. 6% Hence Percentage of nitrogen in urea is 46% Option A is the right answer. Step 3/5 3. 65% of 279. Percentage of nitrogen in fertilizers: Ammonium nitrate: 17. Here, we’ll focus on its role as a nitrogen fertilizer. For example, a fertilizer labeled as “10-0-0” contains 10% nitrogen, 0% phosphorus, and 0% potassium. 67 %, which rounds to approximately 47%. (Molar mass of urea = 60 gmol^(-1) ) Class: 10Subject: CHEMISTRYChapter: SOME BASIC CONCEPTS OF CHEMISTRY Board:CBSEYo May 29, 2025 · Nitrogen Concentration and Labeling Liquid fertilizers are typically labeled with the nitrogen concentration expressed as a percentage by weight. Calculate the percentage of water in zinc sulfate heptahydrate. Its formula is CON 2H4 Calculate the percentage of nitrogen in urea (C = 12, O = 16, N = 14 and H = 1). Step by Step Solution: Step 1 Calculate the molar mass of urea (NH2CONH2). 5 (b) 77. 71 to find the number of moles of nitrogen). This percentage represents the total nitrogen content in the fertilizer solution. 0318 g/mol 4 6. Calculate the percentage of nitrogen in urea. Jul 9, 2022 · In this paper, a comparative analysis between the hand-held refractometer and other methods (TKN and CHNS) was accomplished for the estimation of nitrogen percentage (N%) in urea, nano urea fertilizer, and diesel exhaust fluid (DEF) solution. Calculate the percentage by mass of nitrogen in urea to two decimal places using section 6 of the data booklet. Sep 5, 2023 · To calculate the percentage of nitrogen in urea (NH2CONH2), we first need to find the molecular weight of urea and the total atomic weight of nitrogen in it. Explanation To find the percentage of nitrogen in urea, we need to calculate the molar masses of all the elements in urea and then find the total molar mass. We need nitrogen in urea so look for the overall contribution of the element in the urea formula. The formula for calculating total Nitrogen percent in urea is N Now, to calculate the total weight or mass of Nitrogen in urea, we need to multiply its molecular weight by the number of nitrogen molecules present in urea. Its formlais CON2H4. Packages of fertilizer will give you the percentage of nitrogen in the fertilizer solution, but to know how much product to add to the water, you will also need to look at pounds of nitrogen. This high nitrogen percentage makes urea a preferred choice for various crops, including cereals, vegetables, and fruit-bearing plants. Then, the percentage of nitrogen is calculated by dividing the total mass of nitrogen by the molar mass of urea, and multiplying by 100. These three essential nutrients play an important role in the overall growth of the plant. Calculate the percent of nitrogen in urea, NH₂CONH₂. 00% Nitrogen in a form which delays its availability to the plant 20% Step 1: Understand Urea Composition Urea is represented as 46-0-0, which means it contains 46% nitrogen (N) by weight. 46. 6%. Understanding how to calculate the precise amount of urea needed for optimal crop yields is crucial for farmers seeking to maximize efficiency and minimize environmental impact. The percentage by weight of nitrogen found in urea is 46. This test measures the percentage of urea—a waste product generated during protein metabolism—that is excreted in the urine compared to the amount remaining in the blood. 66 %. Calculate the percentage of water in… Calculate the percent of nitrogen in urea, NH_ (2)CONH_ (2) . Homework Equations The Attempt at a Solution I tried and found %N = 46. The most popular method for determining Total nitrogen in Urea is The Kjeldahl method or Kjeldahl digestion (Danish pronunciation: in analytical chemistry is a method for the quantitative The FEUrea calculator uses the serum and urine creatinine, the blood urea nitrogen (serum urea) and urine urea, to compute the fractional excretion of urea. Thus, 28 60 × 100 % = 46. Calculate the amount of urea and DAP fertilizers that the researcher has to apply to 2000 m2 experimental plot size. -With this carbonyl group two amino groups (N H Explanation To find the percentage of nitrogen in urea, we need to know the molecular formula of urea and calculate the total molar mass. May 29, 2025 · Fertilizer labels typically display the nitrogen content as a percentage (N). Oct 4, 2023 · If you are willing to calculate NPK based on the ratio and the formulae, then you can use these methods or the NPK calculator to calculate the amount of nutrients, fertilizer requirements and application rate. Oct 20, 2025 · Solution For Urea, CO (NH2)2, and ammonium nitrate, NH4NO3, are two nitrogenous fertilizers commonly used by farmers. The formula used is Weight Percentage of Nitrogen = (Total Mass of UreaMass of Nitrogen) × 100. of N = 14, C = 12 , O = 16, H = 1 ? Dec 8, 2022 · On cooling, the gases occupied 36. 3571 mmol/L Urine Urea Nitrogen UUN U 400 1200 0 25000 mg/dL 0. 01) = 28. Urea has the chemical formula CO (NH 2) 2. 0134 g/mol 2 46. Step 2 The molar mass of nitrogen (N) is 14 g/mol, hydrogen (H) is 1 g/mol, carbon (C) is 12 g Worth noting - The nitrogen percentage in the fertilizer grade always refers to total nitrogen, and does not give an indication of the form or forms of nitrogen in the fertilizer. To calculate the percentage of nitrogen (N) in urea, we need to know the molar mass of urea and the molar mass of nitrogen in urea. We have found the Molecular Mass of Urea Now, we need, percentage of (i) Carbon, and (ii) Nitrogen. Step 2: Calculate the Amount of Nitrogen To find the amount of pure nitrogen in a 50-kg bag of urea, use the percentage of nitrogen: Amount of nitrogen = (Percentage of nitrogen / 100) × Total weight of urea Substituting the Feb 7, 2024 · To calculate the percentage of nitrogen in each fertilizer, we will first determine the molecular mass of each compound and then find out the mass contributed by nitrogen. And urea is one of the most common sources of nitrogen out of those sources which are available in nature. Nitrogen is the most critical nutrient for plant growth and is involved in various metabolic processes, making urea a widely used nitrogen fertilizer in agriculture. Use nitrogen math formulas to calculate how much N to buy. Knowing how to calculate the value of the major plant nutrients – nitrogen (N), phosphate (P 2 O 5) and potash (K 2 O) – can be very useful. Urea is basically an amide having two amine groups joined by the carbonyl functional group. Explanation: The chemical formula of urea is . 0318g NH2CONH2 # of Calculate the percentage composition of nitrogen in urea ( NH2 CO NH2) (Given Atomic masses of N = 14, H = 1, C = 12, O = 16)Watch the full video at:https:// Solution for Percent Composition and Molecular Formula Worksheet 1. Calculate the percentage of nitrogen in urea NH_2CONH_2. 0318g CH4N2O # of Atoms Hydrogen 4 Hydrogen 4 Nitrogen 2 Nitrogen 2 Carbon 1 Carbon 1 Oxygen 1 Oxygen 1 Moles Calculate the Percentage of Nitrogen in Urea The percentage of nitrogen is calculated by Mass of nitrogen in urea Molar mass of urea × 100 %. Calculate the percentage of tin in potassium stannate trihydrate, K_ (2)SnO_ (3)*2H_ (2)O Question Nov 25, 2023 · To calculate the percentage of nitrogen in urea, you can use the molecular formula of urea (\ (NH_2CONH_2\)) and find the molar mass of nitrogen and the molar mass of urea. Oct 13, 2020 · Answer: Percentage of Carbon: 20% Percentage of Nitrogen: 46. To calculate the percentage of nitrogen (N) in urea, we can follow these steps: Step 1: Identify the chemical formula of urea Urea has the chemical formula NH2CONH2. To calculate fertilizer application rate, first determine how much nitrogen, phosphorus, and potassium your soil contains. Step 2/5 2. The ratio is typically represented in a three-digit number, where the first number represents the percentage of nitrogen by weight in the form of urea. 6411% Urea Element Mass Percent Nitrogen 28. Oct 6, 2021 · Answer: Answer: Percentage of nitrogen in urea is 46. 0107 g/mol 1 19. Given : R. Explanation: Answer: Percentage of nitrogen in urea is 46. 3 Aug 27, 2020 · Given Urea= NH2- CO- NH2 And we know that Total mass of urea = 60 Mass of nitrogen = 14 Two molecules of nitrogen= 2*14= 28 Percentage of nitrogen = Mass of Nitrogen/ (Urea ) x 100 = 28/60 x 100 = 46. 02g. This comprehensive guide will delve into the intricacies of urea fertilizer calculation Similar questions Q. 5 (d) 15 Urea is composed of approximately 46% nitrogen by weight. 0134g Nitrogen 28. This FEUrea calculator allows you to compute the fractional excretion of urea based on serum, urea creatinine, BUN and urine urea and explains the result. 67%. Urea fertilizer contains a nitrogen percentage of approximately 46%, making it the highest nitrogen-concentrated solid fertilizer. 46 kilograms (or 460 grams) of nitrogen. This is calculated by finding the mass of nitrogen and dividing it by the total molar mass of urea. The molecular weights of Nitrogen is, N = 14, carbon is, C = 12, oxygen is, O = 16, and hydrogen is, H = 1 respectively. NPK stands for nitrogen (N), phosphorus (P) and potassium (K). 66% Calculate the percentage by mass of nitrogen in urea to two decimal places using section 6 of the data booklet. 3571 mmol/L Outputs Urea Clearance Cl_Urea 64 99 0 300 mL/min 0. Step 3: Calculate the total mass of nitrogen in urea To calculate a percentage of a percentage, convert both percentages to fractions of 100, or to decimals, and multiply them. Therefore, the correct answer is (c) 47. Then, calculate the molar mass of the molecule by summing the atomic masses of each element in the formula. Simply read the N value from the label to determine the percentage of nitrogen in the fertilizer. 6 So the percentage of nitrogen in urea is 46. M. Hint: Except nitrogen gas in the environment, nitrogen also comes from many sources in nature. To find the percentage of nitrogen in urea (NH2CO), we will follow these steps: Step 1: Determine the molecular formula of urea. Urea is a common source of nitrogen used in fertilizers due to its high nitrogen content. 006×100 60 =46. The molecular formula of urea is CO (NH2)2. To calculate the percentage of nitrogen in urea, we can use the following formula: (mass of nitrogen / mass of urea) * 100% The mass of nitrogen in urea is 28 g/mol, and the mass of urea is 60 g/mol. urea is a very important nitrogenous fertilizer. This means that for every 1 kilogram of urea, there are 0. 646% Oxygen O 15. Calculate the percentage of nitrogen in urea N H 2CON H 2. Calculate the percentage of nitrogen in urea. 67% by determining the molar mass of the urea and the nitrogen atoms. Question Urea, (H 2 N) 2 CO, is excreted by mammals and can be used as a fertilizer. It is particularly useful for Compound Urea Formula Shows the elements present in a compound and their relative proportions. This calculation is applicable to any crop of your choice. A patient who is in negative nitrogen balance is catabolizing muscle Oct 14, 2024 · Fertilizers and percentage nutrients chart How To Calculate Fertilizer Application Rate Now, let us calculate the quantity of fertilizer to fertilize your farm. Calculate the percentage of N in urea. Urea is a common source of nitrogen in all solid nitrogenous fertilizers and it is widely used as a nitrogen release fertilizer. Then save $23/month for 2 mos. Hence, it contains 46 % elemental nitrogen (N) 0 % elemental phosphorous (P), and 0 % elemental potassium (K). This tool delivers an indicative percentage of renal failure and whether the etiology is prerenal or intrinsic renal disease. This indicates that there are two nitrogen atoms in each molecule of urea. Complete step by step answer: To find the percentage of nitrogen in urea, we will need to first find the molecular weight of urea Jan 17, 2023 · How can you calculate pounds of nitrogen supplied from gallons of liquid fertilizer? The percentage of the nutrient and the density of the liquid in pounds per gallon are the only two pieces of information needed to calculate how many pounds of nutrient are in a gallon of liquid fertilizer. of N = 14, C = 12 , O = 16, H = 1 ?Class: 9Subject: CHEMISTRYChapter: THE LANGUAGE OF Hint: We can find the % of nitrogen in urea by following formula. Complete answer: Chemical formula of urea is shown as N H 2 - CO - N H 2, and from this it is clear that: -In urea one carbonyl group is present. (C=12,O=1,N=14 and H=1) Jan 27, 2011 · Homework Statement Calculate the percentage of nitrogen in urea (H2NCONH2). Apr 8, 2025 · To find the mass percentage of nitrogen in urea (NH2CONH2), we need to calculate the molecular weight of urea and the total mass of nitrogen in it. Jul 30, 2020 · Calculate the percentage composition of each element in urea CON2H4 (C=12 N=14 O=16 and H=1) - 20259371 Oct 4, 2023 · The percentage of nitrogen in urea (CO (NH₂)₂) is calculated to be approximately 46. To find the percentage of nitrogen (N) in urea, we need to determine the total mass of nitrogen in the molecule and divide it by the molar mass of urea. a) Nitrogen b) Oxygen c) Carbon Ask by Lynch Vaughn. For example, a bag of urea fertilizer labeled “46-0-0” indicates that it contains 46% nitrogen. 9994g Oxygen 15. In order About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket © 2025 Google LLC Introduction The Fractional Excretion of Urea (FEUrea) is a diagnostic test that helps healthcare providers evaluate kidney function and identify potential kidney-related problems. Step 2: Determine the molar mass of nitrogen The molar mass of nitrogen (N) is approximately 14g/mol. Fertilizer labels give the percentage of nitrogen, phosphate and potash in the chemistry class 10, chapter16. So, there are a total of 2 x 2 = 4 nitrogen atoms in one urea molecule. The standard crop-nutrient rating (NPK rating) of urea is 46-0-0. Aug 10, 2024 · Concepts: Molecular mass, Percentage composition Explanation: To find the percentage of nitrogen in urea (NH2CONH2), we need to first calculate the molar mass of urea and then determine the mass percentage of nitrogen in it. Urea/NH2CONH2 has 2 nitrogen atoms each weighing 14. To calculate the percentage of nitrogen in urea (NH₂CONH₂), we will follow these steps: Step 1: Determine the molecular formula of urea The molecular formula of urea is NH₂CONH₂, which consists of: - 2 Nitrogen (N) atoms - 1 Carbon (C) atom - 1 Oxygen (O) atom - 4 Hydrogen (H) atoms Step 2: Calculate the relative molecular mass (RMM) of urea We will calculate the RMM of urea by adding Hint: To solve this problem, you need to know the molecular formula of urea. Determine the elemental composition of ammonia (NH3) by percentage. Nitrogen balance is the difference between the amount of nitrogen ingested and the amount excreted in the urine and feces. 4 59. Fertilizers play a crucial role in ensuring crop yields and maintaining soil health. Mar 21, 2023 · Step 1/5 1. (C = 12, O = 16, N = 14 and H = 1) For Question 7, calculating the percentage of nitrogen in urea, CO (NH2)2, involves finding the total molecular weight of urea and the weight of nitrogen in it. 2% Urea: 46. Then, the percentage of nitrogen is the total mass of nitrogen in the formula divided by the molar mass of urea, multiplied by 100. May 4, 2021 · Davidson's column five years ago taught farmers how to calculate N application rates based on the percent of N in different nitrogen products. Then, we can use the formula for mass percentage. Urea decomposes when Sep 9, 2016 · After that, I took percentages of this to calculate the number of moles of each element in the sample of urea (for example, 46. This is easy to do when we know the cost and nutrient content of the fertilizer. View Solution The ratio of urea in fertilizer refers to the percentage of urea nitrogen present in the fertilizer's composition. Jun 12, 2025 · Explanation To find the percentage of nitrogen in urea, we first calculate the molar mass of urea and the total mass contributed by nitrogen atoms. Among the various nutrients present in fertilizers, nitrogen is a vital component that promotes plant growth and A solution contains 100 g of urea in 400 g of water. By dividing the mass of nitrogen present in the urea with the total mass of the urea and multiplying with hundred, you will get the answer. After treatment with KOH the volume reduced by 9mathrm mL and again on treatment with alkaline pyrogallol, the volume further reduced. To solve this, we first calculate the molar mass of urea, then calculate the total mass of nitrogen atoms in one molecule, and finally find the percentage of nitrogen in the compound. Fertilizers usually contain nitrogen as ammonium (NH 4), Nitrate (NO 3), urea (CO (NH 2) 2), or a combination of those. Aug 30, 2017 · The weight percentage of nitrogen in urea (C N 2H 4O) is approximately 46. Urea is a very important nitrogenous fertilizer. 0107g Carbon 12. Nitrogen contributes 2 (14. in Papua New Guinea Feb 12,2025 Science Chemistry Chemistry questions and answers Calculate the mass percentage of nitrogen in urea, CH4N2O. The calculations show that nitrogen contributes 28 g/mol to the total molar mass of urea, which is 60 g/mol. Calculate the concentration in terms of mass by mass percentage of the solution. Step Mar 21, 2016 · UNDERSTANDING NITROGEN MATH Being able to calculate how much fertilizer to put on to apply the right amount of nitrogen is important. 7 0 20 mL/min 1440 mL/d Blood Urea Nitrogen BUN B 10 20 0 1000 mg/dL 0. 5% Ammonium phosphate: 28. Nitrogen determination in Urea This application note compares the nitrogen determination in urea by using NDA702 Dumas Nitrogen Analyzer and UDK 169 Automatic Kjeldahl Analyzer. Urea has the molecular formula NH2CO, which consists of: - 2 Nitrogen (N) atoms - 1 Carbon (C) atom - 1 Oxygen (O) atom - 4 Hydrogen (H) atoms Step 2: Calculate the molar mass of urea. 5 (c) 7. Percentage of mathrmC H 4 in the original mixture is: (a) 22. Its formula is CON2H4. For example, a fertilizer labeled with Jun 13, 2025 · The question asks for the percentage of nitrogen in urea and then to find twice that value. The molecular formula of urea is CO (NH2)2CO (NH2)2 . 2. May 29, 2025 · Urea fertilizer is a cornerstone of modern agriculture, providing a concentrated source of nitrogen essential for plant growth. 7134% Nitrogen N 28. 5 weight percent urea. Comprehensive Tables of Elemental Composition Percentages for Common Compounds Below are extensive tables listing Mar 13, 2018 · 3. (See Also: What Fertilizer for Flowering Plants? Boosting Blooms Jun 10, 2023 · (c) 47% We know that urea plays an important role in the metabolism of living organisms and also urea is the main nitrogen-containing substance in the urine of mammals. calculate the percentage of nitrogen in the fertilizer. Find the percentage of Nitrogen in urea (CH4N2O). (i) × 100 = 20% (ii) × 100 = 46. Composition of Urea - NH 2 CONH 2 Element Symbol Atomic Mass # of Atoms Mass Percent Nitrogen N 28. 9994 g/mol 1 26. The percentage of nitrogen in urea is:Skip the cable setup & start watching YouTube TV today for free. 0318g Hydrogen 4. 5mathrm mL . Step-By-Step Solution Step 1 Identify the molecular formula of urea Inputs Volume vol U 0. 02 g/mol to the molar mass of urea. 67% The Percentage Oct 11, 2024 · Study with Quizlet and memorize flashcards containing terms like urea (H2N)2CO is excreted by mammals and can be used as fertilizer calculate the percentage by mass of nitrogen in urea to two decimal places using section 6 of the data booklet, suggest how the percentage of nitrogen affects the cost of transport fertilizers giving a reason, predict the electron domain and molecular geometries To calculate the percent by weight of nitrogen in urea, divide the total atomic mass contributed by nitrogen by the molecular mass of urea and multiply by 100%. Urea, a component in fertilizer, has the chemical formula, CO (NH_2)_2. Urea (46-0-0), which contains 46% N, was one of many examples. 6 Hence option B is correct. 0107g Hydrogen 4. Nitrogen in fertilizers is important for plant growth as it is a crucial component of various essential plant Calculate the percentage by muss of the following elements in the compound urea. 7134% Carbon C 12. What is the percentage composition of this compound? Textbook Question Calculate the percentage by mass of the indicated element in the following compounds: (d) nitrogen in epinephrine, C9H13NO3 , also known as adrenalin, a hormone that is important for the fightor- flight response 421 Clinical Information Nitrogen is a key component of proteins. 01 g/mol giving a total weight of 28. Sep 21, 2023 · To calculate the percentage of nitrogen in urea, we need to find the total mass of nitrogen atoms present in one mole of urea and divide it by the total mass of one mole of urea. Then, find the molar mass contributed by nitrogen atoms and find what fraction of the total mass it represents. 67% Explanation: Firstly, we calculate the molecular mass of Urea, . 06 g/mol N = 2×14. May 29, 2025 · How to Calculate Nitrogen in Fertilizer? As the world’s population continues to grow, the demand for food increases, and so does the need for efficient and sustainable agricultural practices. Also, you need to know the atomic masses of other substances present in the urea. 646% Hydrogen H 4. 0167 mL/s The percentage of nitrogen in urea (N H 2CON H 2), is: 38. NPK fertilizers are labeled with Urea N H 2CON H 2 Molar mass =60. (a) Calculate the percentage composition of nitrogen in urea. 0134g Oxygen 15. Calculate the percentage of carbon in urea. Urea formula isNH2CONH2. 4 6. 6 The percentage of nitrogen in urea (CH4N2O) is 46. Here the molar mass of: N = 14 u C = 12 u O = 16 u H = 1 u Molar mass of Mass percentage of Plug the values to calculate the mass percentage of N: Jun 8, 2025 · Calculate the percentage of Carbon, Hydrogen, and Oxygen in glucose (C6H12O6). So let's start with an easy basic -- dry urea fertilizer. 4 1. Now let us calculate the percentage of nitrogen in urea: Molecular mass of urea Calculate the percentage composition of Nitrogen in Urea. There are two nitrogen atoms in each NH 2 group, and there are two NH 2 groups in urea. 9994g Carbon 12. SLOW-RELEASE NITROGEN (SRN) PERCENTAGE FORMULA Determine the SRN percentage using the label information (example below) *14. 7% Method to prepare ammonium sulfate fertilizer in a school laboratory involves mixing sulfuric acid with ammonium hydroxide and evaporating the solution to obtain solid ammonium sulfate. To find the percentage of nitrogen in urea, we first need to know the molecular formula of urea, which is CH4N2O. @ManahilNaeem-gk5pqCalculate percentage of nitrogen in urea# chemistry #class10. Atomic mass of N=14, H=1, C=12, O=16You visited us 1 times! Enjoying our articles? Unlock Full Access! Aug 1, 2017 · Answer: The percentage of Nitrogen in urea is 46. The value of fertilizer nutrients can represent 25% to 40% of crop production costs. gdby yipjw qytc kvelau udjrkn nddcxw ubkf qjn wcw iqqhw juqz ympse ujnz xpc xcau