Two liters of a 30% acid solution are mixed with three liters of a 20% acid solution and five liters of a 10% acid. What percent of the mixture is acid?
Two liters of a 30% acid solution are mixed with three liters of a 20% acid solution and five liters of a 10% acid. What percent of the mixture is acid?
Liters % Amt Acid
2 x 30 = 0.6
3 x 20 = 0.6
5 x 10 = 0.5
Totals: 10 1.7
We've ended up with 10 liters of solution that contains 1.7 liters of acid.
This means that the concentration of acid in the final 10 liters is 17%.
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