Question

A 6.4 g sample of rocket fuel is found to contain 5.6 g of nitrogen and 0.80 g of hydrogen. The molecular molar mass of the compound is twice that of its empirical molar mass. Determine the empirical formula and the molecular formula of this compound.

NH₅ & N₂H₁₀
NH₂ & N₂H₄
N₂H & N₄H₂
NH₇ & N₂H₁₄
None of these.

Answer 1

Answer:

g sample of rocket fuel is found to contain 5.6 g of nitrogen and 0.80 g of hydrogen. The molecular molar mass of the compound is twice that of its empirical molar mass. Determine the empirical formula and the molecular formula of this compound.

NH₅ & N₂H₁₀

NH₂ & N₂H₄