Question 149895: How much water must be boiled off from 40 liters of a 30% salt solution to produce a 80% salt solution?: How much water must be boiled off from 40 liters of a 30% salt solution to produce a 80% salt solution? Answer by checkley77(1750) (Show Source):
You can put this solution on YOUR website! .3*40=12 amount of salt in the mixture.
.8x=12
x=12/.8
x=15 L is 80% salt mixture.
40-15=25 L must be boiled off.
