SOLUTION: A pharmacist needs 20% boric acid solution. How much 60% boric acid solution must be added to 7.5 liters of an 8% boric acid solution to get the desired strength?
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Question 345565: A pharmacist needs 20% boric acid solution. How much 60% boric acid solution must be added to 7.5 liters of an 8% boric acid solution to get the desired strength?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let be the amount of 60% solution.
liters
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