SOLUTION: What quantity of 70 percent acid solution must be mixed with a 20 percent solution to produce 900 mL of a 50 percent solution?

SOLUTION: What quantity of 70 percent acid solution must be mixed with a 20 percent solution to produce 900 mL of a 50 percent solution?

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Question 363297: What quantity of 70 percent acid solution must be mixed with a 20 percent solution to produce 900 mL of a 50 percent solution?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
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mL, the amount of 70% solution that must be added.
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