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15 March, 00:09

1 g sample of tetrafluoromethane (CF) contains 90 g of carbon. What is the mass percent or nuorine in the compound?

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  1. 15 March, 02:25
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    The question is typed wrong.

    The correct question should be

    171 g sample of tetrafluoromethane (CF4) contains 90 g of carbon. What is the mass percent of fluorine in the compound?

    Answer: -

    47.37%

    Explanation: -

    Mass of Carbon = 90 g

    Total mass of tetrafluoromethane = 171g

    Mass of fluorine = Total mass of tetrafluoromethane - mass of carbon

    = 171 g - 90 g

    = 81 g

    Mass percentage of Fluorine = (Mass of fluorine / Total mass of tetrafluoromethane) x 100

    = (81 / 171) x 100

    =47.37%
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