Which of the following has the highest percen | vedclass

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(A) The percentage of hydrogen is calculated as: $	ext{Percentage of H} = \frac{	ext{Mass of hydrogen}}{	ext{Molar mass of compound}} 	imes 100$.

Vedclass · Accepted Answer

$CH_4$

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(A) The percentage of hydrogen is calculated as: $	ext{Percentage of H} = \frac{	ext{Mass of hydrogen}}{	ext{Molar mass of compound}} 	imes 100$. For $CH_4$: $\frac{4}{16} 	imes 100 = 25\%$. For $C_2H_4$: $\frac{4}{28} 	imes 100 \approx 14.28\%$. For $C_6H_6$: $\frac{6}{78} 	imes 100 \approx 7.69\%$. For $C_2H_2$: $\frac{2}{26} 	imes 100 \approx 7.69\%$. Thus,$CH_4$ has the highest percentage of hydrogen.

Which of the following has the highest percentage of hydrogen?

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