SOLUTION: 5 liters of pure alcohol was mixed with 10 liters of water. What is the concentration of alcohol in this mixture?

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Question 1092250: 5 liters of pure alcohol was mixed with 10 liters of water.
What is the concentration of alcohol in this mixture?
Found 2 solutions by ikleyn, Boreal:
Answer by ikleyn(52782) About Me  (Show Source):
You can put this solution on YOUR website!
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5%2F%285%2B10%29 = 5%2F15 = 1%2F3 = 0.3333,  or 33.33% .


Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
There are 15 total liters, and 5 of them are alcohol, so it is 1/3.
Note: If you study chemistry, the two will mix in such a fashion that there will be slightly less than 15 liters.