SOLUTION: Jon has 50 ml of a 10% acid solution. How many ml of 45% acid solution should he add to create 35% acid solution?

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Question 458446: Jon has 50 ml of a 10% acid solution. How many ml of 45% acid solution should he add to create 35% acid solution?
Answer by nerdybill(7384)   (Show Source): You can put this solution on YOUR website!
Jon has 50 ml of a 10% acid solution. How many ml of 45% acid solution should he add to create 35% acid solution?
.
Let x = amount (ml) of 45% solution
then
.45x + .10(50) = .35(50+x)
.45x + 5 = 15.5 + .35x
.10x + 5 = 15.5
.10x = 10.5
x = 10.5/.10
x = 105 ml of 45% acid solution

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