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A solution of CaCl2 in water forms a mixture that is 29.0 % calcium chloride by...

A solution of CaCl2 in water forms a mixture that is 29.0 % calcium chloride by mass. If the total mass of the mixture is 263.8 g, what masses of CaCl2 and water were used?

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Answer #1

% mass = (mass of CaCl2 / total mass) x 100

% mass = 29.0 %

mass of solution = 263.8 g

mass of CaCl2 = ?

29.0 = (mass of CaCl2 / 263.8) x 100

mass of CaCl2 / 263.8 = 0.29

mass of CaCl2 = 76.5 g

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