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7 April, 03:33

How many grams of Calcium are present in 33.0 g of Calcium Fluoride, CaF2?

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  1. 7 April, 03:35
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    CaF2: 40 + 19 x 2 = 78 g/mol

    33.0g / 78 g/mol = 0.42 mol CaF2

    Ca + F2 - > CaF2

    0.42 mol

    0.42 mol x 1/1 = 0.42 mol Ca

    0.42 mol x 40 g/mol = 16.8 g Ca
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