(a) How many grams of CaCl2 are needed to make 798.0 g of a solution that...

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Chemistry

(a) How many grams of CaCl2 are needed to make 798.0 g of asolution that is 32.5% (m/m) calcium chloride in water? Note thatmass is not technically the same thing as weight, but (m/m) has thesame meaning as (w/w).
-How many grams of water are needed to make this solution?
(b) What is the volume percent % (v/v) of an alcohol solutionmade by dissolving 147 mL of isopropyl alcohol in 731 mL of water?(Assume that volumes are additive.)
(c) The mass of solute per 100 mL of solution is abbreviated as% (m/v). (The abbreviation % (w/v) is also common.) How many gramsof sucrose are needed to make 915 mL of a 38.0% (w/v) sucrosesolution?

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3.9 Ratings (590 Votes)

a325 mm calcium chloride in water means 325 of the total mass of the solution is CaCl2 So mass of CaCl2 required is 325 x total mass of the solution See Answer

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