The amount of water that must be evaporated from 32 ounces of a 1% salt solution to make an 8% salt solution is: 28 ounces of water.
Given:
Ounces=32 ounces
1% salt solution
8% salt solution
Water = 0%
Hence:
32 (.01) - x (0) = (32 - x) (.08)
Simplify
.32 = 2.56 - .08x
Collect like terms
.08x =2.56 - .32
.08x = 2.24
Divide both side by 0.08x
x = 2.24 / .08
x = 28 ounces of water must be evaporated
Therefore the amount of water that must be evaporated from 32 ounces of a 1% salt solution to make an 8% salt solution is: 28 ounces of water.
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