SOLUTION: How many liters of pure water must be added to 12 L of a(n) 73% salt solution to dilute it to a 55% salt solution? (Round answer to the nearest tenth of a liter)
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Question 280877: How many liters of pure water must be added to 12 L of a(n) 73% salt solution to dilute it to a 55% salt solution? (Round answer to the nearest tenth of a liter)
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
We can look at this from the point of view of pure water or of salt solution.
salt
12*.73=.55(12+x)
x=3.92727
water
.27*12+x=.45(x+12)
x=3.92727
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