SOLUTION: Kem E Cal. heated 500 milliliters of an 8% saline solution until all but 400 milliliters of the solution has evaporated. What percentage of the remaining solution was salt.

Question 820160: Kem E Cal. heated 500 milliliters of an 8% saline solution until all but 400 milliliters of the solution has evaporated. What percentage of the remaining solution was salt.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
heated 500 milliliters of an 8% saline solution until all but 400 milliliters of the solution has evaporated.
What percentage of the remaining solution was salt.
:
Let x = the decimal form of the percent of remaining solution
400x = .08(500)
400x = 40
x = 40/400
x = .1 which is 10%
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