SOLUTION: What quantity of pure acid must be added to 400 mL of a 40% acid solution to produce a 75% acid solution

SOLUTION: What quantity of pure acid must be added to 400 mL of a 40% acid solution to produce a 75% acid solution

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Question 629837: What quantity of pure acid must be added to 400 mL of a 40% acid solution to produce a 75% acid solution
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = ml of pure acid needed
ml of acid in 40% solution

560 ml of pure acid must be added
check:

OK
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