This compound is also known as Ammonia. The nitrogen content in these compounds is needed for protein synthesis in plants. Plants need nitrogen to grow, so many fertilizers consist of nitrogen-containing compounds. Each element's contribution is expressed as a percentage of the whole. Molecular weight calculation: (14.0067 + 1.00794*4)*3 + 30.973761 + 15.9994*4 ›› Percent composition by element Calculate the percent composition … Now use the concept of percent (part divided by total) to get your percent composition by mass. You can do that now for any compound! Convert grams NH3 to moles or moles NH3 to grams. Most fertilizers consist of nitrogen-containing compounds such as NH3,CO(NH2)2,NH4NO3, and (NH4)2SO4. Explanation : Given, Molar mass of C = 12 g/mole. Answer : The percent composition of nitrogen in is, 46.7 %. calculate the percentage of nitrogen in NH3. 2848 g. What is the volume of 4.70 mol N2 at STP? 14/17=0.82, 82% nitrogen. please explain how you get the answer. ›› NH3 molecular weight. Answer Save Mass percent composition of a molecule shows the amount each element in a molecule contributes to the total molecular mass. 1 Answer to calculate the mass percent composition of nitrogen in each of the following nitrogen compounds NH3 Si3N4 N2H2 HCN calculate the percent composition, by mass, of carbon in Na2CO3. a) 82.4% b) 35.0 %. Molecular weight calculation: 14.0067 + 1.00794*3 ›› Percent composition … Molar mass of O = 16 g/mole. First we have to calculate the molar mass of . Plants use the nitrogen content in these compounds for protein synthesis. 2 NO2(g) → 2 NO(g) + O2(g). Chemistry. The gram formula mass of ammonium nitrate is 80.04 and the gram atomic mass of nitrogen is 14.0067. Molar mass of H = 1 g/mole. This step-by-step tutorial will show the method to determine the mass percent composition of a molecule. 105 L. Calculate the percent by mass of nitrogen in these fertilizers. Molar Mass, Molecular Weight and Elemental Composition Calculator Enter a chemical formula to calculate its molar mass and elemental composition: Molar mass of NH3 is 17.03052 ± 0.00041 g/mol Calculate the mass percent composition of nitrogen in each fertilizer: NH3, CO(NH2)2, NH4NO3, (NH4)2SO4.? Calculate the mass percent composition of nitrogen in each of the fertilizers named in the problem. Calculate the mass percent composition of nitrogen in each of the fertilizers listed. a) NH3 b) NH4NO3. Calculate the mass, in grams, of 20.00 mol of sodium sulfate (Na2SO4). (Atomic Mass of N=14,H=1amu) - 948754 Examples include NH3, CO(NH2)2, NH4NO3, and (NH4)2SO4. Convert grams (NH4)3PO4 to moles or moles (NH4)3PO4 to grams. Calculate the grams of nitrogen in 125 g of each fertilizer. Molar mass of NH3 = 17.03052 g/mol. This compound is also known as Ammonium Phosphate. Molar mass of (NH4)3PO4 = 149.086741 g/mol. 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