Answer to Question #152488 in General Chemistry for Dimple Callangan

Question

The emperical formula of a compound is C5H11. What is R the ration of the molecular weight to the emperical weight, if the molecular weight of the compound is 142 mg/mmol

Answer 1

Mr(C₅H₁₁) = 12 x 5 + 1 x 11 = 71 g/mol

R = 142 g/mol / 71 g/mol = 2

C₁₀H₂₂