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20 October, 03:23

How many grams of cacl2 are needed to make 713.9 g of a solution that is 29.0% (m/m) calcium chloride in water? note that mass is not technically the same thing as weight, but % (m/m) has the same meaning as % (w/w) ?

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  1. 20 October, 03:28
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    The grams of CaCl2 needed to make 713.9 g of solution that is 29.0 % (m/m) is calculated as below

    convert 29% into fraction = 29/100

    therefore the mass of CaCl2 needed

    =713 solution x 29/100=206.77 grams of CaCl2 is needed
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