SOLUTION: How much alcohol should be added to a 12L solution that is 33 1/3% acetone to become a 25% solution of acetone?

SOLUTION: How much alcohol should be added to a 12L solution that is 33 1/3% acetone to become a 25% solution of acetone?

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Question 984184: How much alcohol should be added to a 12L solution that is 33 1/3% acetone to become a 25% solution of acetone?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
12 L of solution at 33 1/3% acetone contains:
(12L)(.3333)=4L
.
4 liters is 25% of (4L/0.25)=16 liters
To make 16 liters, we must add 4 liters to the original 12 liters.
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