You need to dissolve CaCl2 in water to make a mixture that is 39.5% calcium chloride...
You need to dissolve CaCl2 in water to make a mixture that is 39.5% calcium chloride by mass. If the total mass of the mixture is 113.0 g, what masses of CaCl2 and water should be used? Mass of CaCl2 Mass of water
Homework Answers
CaCl2 --> 39.5% by mass
total mass = 113 g
so..
39.5/100 * 113 = 44.635 g of CaCl2
so..
mass of water = 113-44.635 = 68.365 g of water
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