SOLUTION: A solution of acetone contains 20.0 % potassium chloride (KCl) by mass. When 320 g of the solution is left out, all of the acetone evaporates. How much potassium chloride is left b

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Question 1104843: A solution of acetone contains 20.0 % potassium chloride (KCl) by mass. When 320 g of the solution is left out, all of the acetone evaporates. How much potassium chloride is left behind?

Answer by ikleyn(52874) About Me  (Show Source):
You can put this solution on YOUR website!
.
20% of the mass of 320 gram is 0.2*320 = 64 gram.

It is your answer.