Problem: Most fertilizers consist of nitrogen-containing compounds such as NH3, CO(NH2 )2, NH4 NO3, and (NH4 )2 SO4. Plants use the nitrogen content in these compounds for protein synthesis.Calculate the mass percent composition of nitrogen in NH3.

FREE Expert Solution

mass percent=mass elementtotal mass of compound×100


First, we need to get the atomic weights of each element in NH3 using the periodic table and then calculate its molar mass.

molar mass N = 14.01 g/mol

molar mass H = 1.01 g/mol


molar mass NH3 = 14.01 g/mol + (1.01 g/mol x 3)

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Problem Details

Most fertilizers consist of nitrogen-containing compounds such as NH3, CO(NH2 )2, NH4 NO3, and (NH4 )2 SO4. Plants use the nitrogen content in these compounds for protein synthesis.

Calculate the mass percent composition of nitrogen in NH3.

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