A 31 g sample of a compound that contained only

The question is incomplete, the complete question is;

A 31 g sample of a compound that contains only the elements C,H and N is completely burned in O2 to produce 44.0 g of CO2, 45.0 g of H2O, and 92.0 g of NO2. Determine the empirical formula of the compound.

CH5N2

Explanation:.

Mass of C = 44.0g/44.0 g/mol = 1 mol * 1 = 1 mole of C

Mass of H = 45.0 g/18 g/mol = 2.5 moles * 2  = 5 moles of H

Mass of N = 92.0 g/46 g/mol = 2 moles * 1 = 2  moles of N

Dividing through by the lowest mole ratio;

1/1, 5/1, 2/1

1 : 5 : 2

Hence the empirical formula is;

CH5N2

it would be d. henry moseley

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