Science, asked by sharu2674, 1 year ago

what is the molecular formula of a hydrocarbon whose vapour density is 21 and empirical formula is CH 2

Answers

Answered by Sidyandex

In order to calculate molecular weight, it is important to multiply the vapor density by 2.

Since VD is 21, the molecular weight would be 42. The formula for calculating the Molecular formula= (molecular weight/ Empirical formula weight) * E.F.

Hence the correct answer is CH204 which is the required hydrocarbon for the users.

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