12.26 An alkane has 20 hydrogen atoms. How many carbon atoms would it contain if it were (a) a straight-chain alkane; (b) a branched-chain alkane; (c) a cycloalkane?
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Step 1: For a straight-chain alkane with 20 hydrogen atoms: Given formula for straight-chain alkane: CnH2n+2 Number of hydrogen atoms (H) = 20 Using the formula, we have: 2n + 2 = 20 2n = 18 n = 9 Therefore, the straight-chain alkane would contain 9 carbon atoms. Show more…
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