Question
Urea, a substance commonly used as a fertilizer, has the formula $\mathrm{CH}_{4} \mathrm{N}_{2} \mathrm{O}$ . What is its percent composition by mass?
Step 1
According to the periodic table, the molar mass of carbon (C) is 12.1 g/mol, hydrogen (H) is 1.1 g/mol, nitrogen (N) is 14.1 g/mol, and oxygen (O) is 16.0 g/mol. Show more…
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