Note that the higher the number of larger atoms contributes more greater mass percentage in the compound. The Moles Of Nitrogen Will Be 2x That Of Either Ammonium Or Nitrate. Examples include NH3, CO(NH2)2, NH4NO3, and (NH4)2SO4. In order to solve your problem, you must first find the molar mass (or mass in amu) of NH4NO3. Calculate the mass percent composition of nitrogen in each of the fertilizers named in the problem. Hello! a) NH3 b) NH4NO3. ›› NH4NO3 molecular weight. See What does percent composition mean? © copyright 2003-2020 Study.com. Our experts can answer your tough homework and study questions. You calculate the mass of each atom in a formula unit, divide by the formula mass, and multiply by 100 %. Plants use the nitrogen content in these compounds for protein synthesis. Multiply the pounds of fertilizer per 1,000 ft² by the Nitrogen amount (located on the bag) and divide by 100. Molar mass (NH4)2SO4 = 132.14 g/mol 1mol (NH4)2SO4 contains 2 mol N Molar mass N = 14g/mol , Mass of 2 mol N = 28g %N in (NH4)2SO4 = 28g/ 132g * 100 = 21.2% Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. The formula given shows that each formula unit contain two Activity. Given the relative atomic mass of hydrogen is 1, nitrogen is 14 and oxygen is 16, calculate the percentage of ammonium nitrate that is nitrogen. If one mol of NH4NO3 contains 6.022 x 10^23 molecules of NH4NO3, and each molecule contains two nitrogen atoms (notice the two Ns representing nitrogen in the chemical formula), then there are 2 x 6.022 x 10^23 nitrogen atoms in two mol of NH4NO3. To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets. Solved: Calculate the percentage by mass of nitrogen in NH4NO3 (ammonium nitrate). Molar mass of NH4NO3 = 80.04336 g/mol. Fertilizer: Ammonium Sulfate. Plants use the nitrogen content in these compounds for protein synthesis. Calculate the percentage by mass of nitrogen in {eq}NH_4NO_3 Molar mass of (NH4)3PO4 = 149.086741 g/mol This compound is also known as Ammonium Phosphate.. Find the moles of nitrogen gas. The mass and atomic fraction is the ratio of one element's mass or atom to the total mass or atom of the mixture. Calculate the grams of nitrogen in 125 g of each fertilizer. The gram formula mass of ammonium nitrate is 80.04 and the gram … Become a Study.com member to unlock this Calculate the number of nitrogen atoms in 240. g of ammonium nitrate. The percent composition is used to describe the percentage of each element in a compound. C. Calculate the mass percent composition of nitrogen in NH4NO3. (Express your answer using four significant figures.) Calculate the percentage by mass of nitrogen in an ammonia molecule (NH 3) . Convert grams (NH4)3PO4 to moles or moles (NH4)3PO4 to grams. You know 1 mole = 6.02 x 10^23 so this answer has 3 big steps: 1) determine how many moles are in 0.0400 g ammonium nitrate, 2) how many nitrogens atoms are in ammonium nitrate, 3) how many nitrogens are per moles. calculate the percentage of nitrogen in the following fertilizer i NH4NO3 ii NH4/2SO4 . Calculate the mass percent composition of nitrogen in each of the fertilizers listed. What is the percent by mass of nitrogen in NH4NO3. The nitrogen content in these compounds is needed for protein synthesis in plants. A. Question: Consider 500 Pounds Of Ammonium Nitrate (NH4NO3) And Calculate The Weight Of (a) Ammonium, (b) Nitrate, And (c) Nitrogen In It. Solution for Calculate the mass percent composition of nitrogen in NH4NO3 Calculate the mass percent composition of nitrogen in (NH4)2SO4 What is the percent by mass of nitrogen in NH4NO3? Services, Calculating Percent Composition and Determining Empirical Formulas, Working Scholars® Bringing Tuition-Free College to the Community, (1) Two nitrogen atoms with mass {eq}(2)\cdot (14\ g) = 28\ g (A) 2.01 x 10 23 nitrogen atoms (B) 6.02 x 10 23 nitrogen atoms (C) 1.20 x 10 24 nitrogen atoms (D) 1.81 x 10 24 nitrogen atoms (E) 3.61 x 10 24 nitrogen atoms Percent composition of N is 28g 80g × 100% = 35%. a) NH3 b) NH4NO3. Calculate the percentage of carbon in glucose, C6H12O6.