Question 327711: How much 20% acid solution and 80% acid solution should be combined to obtain 100 liters of 62% acid solution? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = liters of 20% acid solution needed
Let = liters of 80% acid solution needed
given: liters liters
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acid in final solution: subtract liters
and, since liters
30 liters of 20% solution and
70 liters of 80% solution are needed
check:
OK
