SOLUTION: a lab technician has 8 liters of a 15 percent solution of acid. How much distilled water must be added to reduce the concentration of acid to 10 percent?
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Question 92567: a lab technician has 8 liters of a 15 percent solution of acid. How much distilled water must be added to reduce the concentration of acid to 10 percent? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! a lab technician has 8 liters of a 15 percent solution of acid. How much distilled water must be added to reduce the concentration of acid to 10 percent?
:
Let x = amt of distilled water, (0% solution)
:
Write a % solution equation:
.15(8) + 0(x) = .10(x+8)
:
1.2 + 0 = .10x + .8
:
1.2 - .8 = .10x
:
.4 = .10x
:
x = .4/.1
:
x = 4 liters of distilled water required
