SOLUTION: To make a 10 percent acid solution for chemistry class xavier wants to mix some 5 percent solution with 10L of 20 percent solution. How many liters of 5 percent should he use?

SOLUTION: To make a 10 percent acid solution for chemistry class xavier wants to mix some 5 percent solution with 10L of 20 percent solution. How many liters of 5 percent should he use?

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Question 925409: To make a 10 percent acid solution for chemistry class xavier wants to mix some 5 percent solution with 10L of 20 percent solution. How many liters of 5 percent should he use?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
x the amount of 5% solution
.05x + .20(10L) = .10(10L + x)
.10(10L)/.05 = x, the amount of 5% solution
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