Problem: How many grams of CaCl2 are needed to make 635.3 g of a solution that is 35.5% (mm) calcium chloride in water? Note that mass is not technically the same thing as weight, but 96(m/m) has the same meaning as % (w/w). How many grams of water are needed to make this solution?

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How many grams of CaCl2 are needed to make 635.3 g of a solution that is 35.5% (mm) calcium chloride in water? Note that mass is not technically the same thing as weight, but 96(m/m) has the same meaning as % (w/w). 

How many grams of water are needed to make this solution?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Mass Percent Formula concept. You can view video lessons to learn Mass Percent Formula. Or if you need more Mass Percent Formula practice, you can also practice Mass Percent Formula practice problems.

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Based on our data, we think this problem is relevant for Professor Stites' class at UARK.