# SOLUTION: a chemist has 6 liters of a 50% acid solution. how much water must be added to obtain a 20% acid solution?

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 Question 308590: a chemist has 6 liters of a 50% acid solution. how much water must be added to obtain a 20% acid solution?Answer by ankor@dixie-net.com(15624)   (Show Source): You can put this solution on YOUR website!a chemist has 6 liters of a 50% acid solution. how much water must be added to obtain a 20% acid solution? : Let x = amt of water required : A simple "amt of acid" equation : .50(6) = .20(x+6) 3 = .2x + 1.2 3 - 1.2 = .2x 1.8 = .2x x = x = 9 liters of water required : : Check to see if the amt of acid remains the same (only the % changes) .50(6) = .2(9+6) 3 = 3