SOLUTION: a solution is 45% hydrochloric acid. how much water should be added to 1000 milliliters of this solution to dilute it to a 15% solution?

Question 439004: a solution is 45% hydrochloric acid. how much water should be added to 1000 milliliters of this solution to dilute it to a 15% solution?
Answer by rwm(914) (Show Source): You can put this solution on YOUR website!
There are two ways to look at this problem
from the point of view of the water or from the view of the acid.
45% acid is 55% water
pure 100% water is 0% acid
15% acid is 85% water
I will show you view from water
x+1000=y
1000*.55+x=.85*y
x=2000 and y=3000
so add 2000 ml of water

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