SOLUTION: Suppose you mix 1L of a 20% acid solution with 2L of a 50% acid solution. What is the concentration of acid in the final mixture?

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Question 1124593: Suppose you mix 1L of a 20% acid solution with 2L of a 50% acid solution. What is the concentration of acid in the final mixture?
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
The final concentration is


     =  = 0.4 = 40%.

The numerator is the volume of the pure alcohol in the mixture in liters;

the denominator is the total liquid volume.

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