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16 September, 05:52

Compound B contains 92.31% carbon and 7.69% hydrogen. Determine the empirical formula of B

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Answers (2)
  1. 16 September, 07:22
    0
    Answer: CH

    Explanation: To calculate the empirical formula of the compound we must first find the number of moles by using the mass of each element.

    C = 92.31 g x 1mole C / 12 g C

    = 7. 69 moles C

    H = 7.69 g H x 1 mole H / 1 g H

    = 7.69 moles H

    Next is divide each answer on the lowest number of moles

    C = 7.69 / 7.69 = 1

    H = 7.69 / 7.69 = 1

    So the ratio is 1:1 or CH
  2. 16 September, 08:45
    0
    Answer:C H
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