SOLUTION: Grace has 3 liters of a mixture containing 49% of boric acid. How much water must be added to make the mixture 42% boric acid?
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Question 771356: Grace has 3 liters of a mixture containing 49% of boric acid. How much water must be added to make the mixture 42% boric acid?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = liters of water to be added
liters of boric acid in 49% mixture
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.5 liters of water must be added
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Check:
OK
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