Solution: How many liters of distilled water should be added to a liter of 35% acid solution

A laboratory keeps two acid solutions on hand. One is 20% acid and the other is 35% acid. How many liters of distilled water should be added to a liter of 35% acid solution in order to dilute it to a 20% acid solution?

How many liters of distilled water should be added to a liter of 35% acid solution

Problem Statement:

A laboratory keeps two acid solutions on hand. One is 20% acid and the other is 35% acid. How many liters of distilled water should be added to a liter of 35% acid solution in order to dilute it to a 20% acid solution?

Problem Answer:

0.75 liters of distilled water should be added to a liter of 35% acid solution in order to dilute it to a 20% acid solution.

Solution:

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