Question 625229: How many liters of a 50% acid solution must be added to 10 liters of a 15% acid solution to produce a 25% acid solution? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = liters of 50% acid solution needed = liters of acid in 50% solution liters of acid in 15% solution
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4 liters of 50% acid solution are needed
check:
OK