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Question
The percentage composition of carbon by a mole in methane is ______.
Options
75%
80%
25%
20%
MCQ
Fill in the Blanks
Solution
The percentage composition of carbon by a mole in methane is 20%.
Explanation:
CH4 has one atom of carbon among 5 atoms (1C + 4H).
∴ Mole % of C = `1/5 xx 100` = 20%
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Percentage Composition
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