SOLUTION: how many liters of distilled water must be added to 80% liters of 60% acid solution to obtain a 50% acid solution?
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Question 1071082: how many liters of distilled water must be added to 80% liters of 60% acid solution to obtain a 50% acid solution?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Do it like this one:
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A pharmacist has 4 quarts of a 15% solution of iodine. How much alcohol must be added to reduce it to a 10%solution of iodine?
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Assuming alcohol is a solvent for iodine,
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Add Q quarts
4*15 + Q*0 = (4+Q)*10
Q = 2
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