A solubility graph showing the solubility in grams of substance X in 100.0 g of alcohol. At 20 degrees Celsius, 24.0 grams of substance X will dissolve. At 50 degrees, 60.0 grams will dissolve.

A saturated solution of X (s) in alcohol is cooled down from 50 °C to 20 °C. 80.0 grams of X crystalize out of the solution as a solid during this process.

How much alcohol is in this solution?

A)28.8 g
B)233 g
C)180 g
D)45.0 g

1 answer

80/X=(60-24)/100
X=80*100/(36)=222
The best answer is b.
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