SOLUTION: 2 ml of an acid solution was mixed with 3 ml of a 85% acid solution to make a 79% acid solution. Find the percent concentration of the first solution.

Question 989096: 2 ml of an acid solution was mixed with 3 ml of a 85% acid solution to make a 79% acid solution. Find the percent concentration of the first solution.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = % concentration of the 1st solution
= ml of acid in 1st solution
= ml of acid in 2nd solution
-----------------------------------

Solve for
( I misplaced my calculator )

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