The percentage composition of carbon by mole in methane is

80%

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75%

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20%

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25%

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Solution

The correct option is C 20%
In one mole $C H_{4}$ , there are 4 mole H atom and 1 mole C atom
$∴$ Mole % of $C = \frac{1}{5} \times 100 = 20 %$

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The percentage composition of carbon by mole in methane is

The correct option is C 20%In one mole CH4, there are 4 mole H atom and 1 mole C atom ∴ Mole % of C=15×100=20%

The correct option is C 20%
In one mole $C H_{4}$ , there are 4 mole H atom and 1 mole C atom
$∴$ Mole % of $C = \frac{1}{5} \times 100 = 20 %$