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12 March, 03:10

What mass of cucl2 is contained in 75.85 g of a 22.4% by mass solution of cucl2 in water?

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  1. 12 March, 05:21
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    First step: convert 22.4% into fraction

    that is 22.4/100 which is equivalent to 0.224

    The mass of Cucl2 contained in 75.85 of 22.4% by mass of solution of CUcl2 in water is therefore,

    0.224 x75.85=16.99g

    alternatively

    75.85 - - - >100%

    ? 22.4%

    by cross multiplication = (22.4 x 75.85) / 100 = 16.99g
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