chemistry

A saturated solution of barium chloride at 30 °C contains 150 g water. How much additional barium chloride can be dissolved by heating this solution to 80 °C?

2. A solution of KCl is saturated at 20 °C.

a) How many grams of solute are dissolved in 100 g of water?

b) What is the total mass of the solution?

c) What is the mass percent of this solution at 50 °C?

d) If the solution is heated to 50 °C, how much more KCl can be dissolved in the solution without adding more water?

e) If the solution is saturated at 100 °C and then cooled to 30 °C, how many grams of solute will precipitate out?

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