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An unknown compound analyzes to be 42.85% C, 7.20% H, and 49.95% N. A 0.915 g...

An unknown compound analyzes to be 42.85% C, 7.20% H, and 49.95% N. A 0.915 g sample of the gas occupies 250. mL at 760. mm Hg and 100.°C. Type your answers using the format CH4 for CH4. Enter the elements in the order given.
What is the empirical formula of the compound?

What is the molecular formula of the compound?

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