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11 January, 02:40

A compound has an empirical formula of CH2 and a molar mass of 70.15. What is its molecular formula?

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Answers (1)
  1. 11 January, 05:04
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    Cyclopentane (C5H10)

    Explanation:

    The molar mass of CH2 is about 14.3, Since empirical is a ratio just divide the given molar mass by the molar mass of the empirical. 70.15/14.3=5 So now multiple everything by 5 in the empirical equation.

    So, a compound that has an empirical formula of CH2 and a molar mass of 70.15 will have molecular formula of" C5H10".
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