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Question

Calculate the number of hydrogens present in an alkane, containing 15 carbons atoms.

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Solution

The general formula of alkanes is CnH2n+2.
The molecular formula of an alkane with 15 carbon atoms will be:
n=15, so CnH2n+2 = C15H32.
Therefore, 32 hydrogen atoms are present in an alkane, containing 15 carbon atoms.

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