SOLUTION: How many kilograms of water must be evapotated from 10 kg of an 8% salt solution to produce a 25% salt solution?

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Question 164110: How many kilograms of water must be evapotated from 10 kg of an 8% salt solution to produce a 25% salt solution?
Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
10*.08=(10-X).25
.8=2.5-.25X
.25X=2.5-.8
.25X=1.7
X=1.7/.25
X=6.8 KG MUST BE EVAPORATED.
pROOF
10*.8=(10-6.8).25
.8=3.2*.25
.8=.8


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