SOLUTION: 12L of a 67% acid solution was mixed with 8L of a 32% solution. What is the concentration of the mixture?

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Question 1059985: 12L of a 67% acid solution was mixed with 8L of a 32% solution. What is the concentration of the mixture?
Answer by Alan3354(69443) About Me  (Show Source):
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12L of a 67% acid solution was mixed with 8L of a 32% solution. What is the concentration of the mixture?
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12*67 + 8*32 = Conc*(12+8)