Question 718634: How much water has to be evaporated from90 liters of a 5 acid solution in order to make it into a 6% solution? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! How much water has to be evaporated from90 liters of a 5 acid solution in order to make it into a 6% solution?
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let x=amt of water to be evaporated
5%*90=6%(90-x)
4.5=5.4-.06x
.06x=0.9
x=0.9/.06=15
amt of water to be evaporated=15 liters
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