Question 299103: How many liters of a 40% sulfuric acid solution should be mixed with 4 liters of a 24% sulfuric acid solution to produce a 30% solution? Answer by nerdybill(7384) (Show Source):
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How many liters of a 40% sulfuric acid solution should be mixed with 4 liters of a 24% sulfuric acid solution to produce a 30% solution?
.
Let x = liters of 40% sulfuric acid added
then
.40x + .24(4) = .30(x+4)
.40x + .96 = .30x+1.2
.10x + .96 = 1.2
.10x = .24
x = 2.4 liters
