Use this percentage to calculate the mass of fluorine (in g) contained in 54.0 g of copper (II) fluoride.

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  1. %F = (atomic mass F/molar mass CuF2)*100 = ?
    Then g F in 54.0 g CuF2 = 54.0 x %F/100 = ? g F.

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  2. 20.2

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