Problem: Draw the structure of an alkane or cycloalkane that has a molecular mass of 84.2.

FREE Expert Solution

First, let’s determine whether the molecule is a cycloalkane or alkane and the value of n.


The general formula for a cycloalkane is CnH2n


(12.01xn) + (1.008x2n) = 84.2

12.01n + 2.016n = 84.2

14.026n = 84.2

n = 6.00


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Problem Details
Draw the structure of an alkane or cycloalkane that has a molecular mass of 84.2.

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