# SOLUTION: A chemist has 60 g of a solution that is 70% acid. How much water should be added to make a solution that is 40% acid?

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 Click here to see ALL problems on Mixture Word Problems Question 164104: A chemist has 60 g of a solution that is 70% acid. How much water should be added to make a solution that is 40% acid?Answer by Alan3354(30993)   (Show Source): You can put this solution on YOUR website!A chemist has 60 g of a solution that is 70% acid. How much water should be added to make a solution that is 40% acid? ---------------- The original solution has 42 gm (60*0.7) of acid, 18 gm of water. Adding water to make 42 gm 40% means 100% will be 42/0.4 grams, = 105 grams total. He'll have to add 45 grams of water. You'd think a chemist could figure that out himself.