Answer to Question #163895 in General Chemistry for Brittney

Question #163895

A certain compound was found to contain 54.0 g of carbon and 10.5 grams of hydrogen Its relative molecular mass is 86.0 Find the empirical and the molecular formulas

Expert's answer

n(C)=54/12=4,5mol

n(H)=10.5/1=10.5mol

C:H=4,5:10,5=1:2

CH2

M(CH2)=14g/mol

86/14=6

Answer: C6H14

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