7. A compound is composed of carbon, hydrogen and oxygen. It was analysed and the folloWIng results were obtained: o Mass of sample = 30.50 g o Mass of carbon in sample = 12.08 g o Mass of hydrogen in sample 2.06 g a. Find its empirical formula. b. If the relative molecular mass of the compound is 180, find its molecular formula.

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Chapter3: Stoichiometry
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7. A compound is composed of carbon, hydrogen and oxygen. It was analysed and the fóllowing
results were obtained:
o Mass of sample = 30.50 g
o Mass of carbon in sample = 12.08 g
o Mass of hydrogen in sample = 2.06 g
%3D
a. Find its empirical formula.
b. If the relative molecular mass of the compound is 180, find its molecular
formula.
Transcribed Image Text:7. A compound is composed of carbon, hydrogen and oxygen. It was analysed and the fóllowing results were obtained: o Mass of sample = 30.50 g o Mass of carbon in sample = 12.08 g o Mass of hydrogen in sample = 2.06 g %3D a. Find its empirical formula. b. If the relative molecular mass of the compound is 180, find its molecular formula.
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