SOLUTION: What quantity of pure acid must be added to 400 mL of a 40% acid solution to produce a 60% acid solution?

SOLUTION: What quantity of pure acid must be added to 400 mL of a 40% acid solution to produce a 60% acid solution?

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Question 898042: What quantity of pure acid must be added to 400 mL of a 40% acid solution to produce a 60% acid solution?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
.4*400+x=.6(400+x)
x=200
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