SOLUTION: How much 20% acid solution and 80% acid solution should be combined to obtain 100 liters of 62% acid solution?
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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
--------------------------
acid in final solution:
subtract
liters
and, since
liters
30 liters of 20% solution and
70 liters of 80% solution are needed
check:
OK
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