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How many grams of CaCl2 are needed to make 853.6 g of a solution that is...

Question:

How many grams of CaCl2 are needed to make 853.6 g
How many grams of CaCl2 are needed to make 853.6 g of a solution that is 31.0% (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). How many grams of water are needed to make this solution? What is the volume percent % (v/v) of an alcohol solution made by dissolving 109 mL of isopropyl alcohol in 741 mL of water? (Assume that volume are additive. The mass of solute per 100mL of solution is abbreviated as % (m/v). (The abbreviation % (w/v) is also common.) How many grams of sucrose are needed to make 845 mL of a 36.05 (w/v) sucrose solution?

Answers

31% of CaCl, in water indicate that the molality of the solution is 0.31 m. 1000 mass of solution 1000 mass of CaCl, olar mas

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