The vinyl region of the proton NMR spectrum of a mixture consisting of compounds

Question

The vinyl region of the proton NMR spectrum of a mixture consisting of compounds F and G shows a triplet at 5.5 ppm (step height is 25 mm) and a doublet at 5.6 ppm (step height is 75 mm). What is the composition of the mixture (as % compound F)? Please carry maximum number of significant figures through to final answer then round to a whole number. Enter just the numerical value expressed as a whole number. Don't be alarmed when Canvas adds trailing zeros to the number you type in. This action will not affect the grading of your answer.

Explanation / Answer

compound G would show a triplet at 5.5 ppm

compound F would show a doublet at 5.6 ppm

So, the composition of the mixture in terms of F

= 75 x 100/100

= 75%

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