SOLUTION: Pure acid is to be added to a 10% acid solution to obtain 90 L of a 20% acid solution.
What amounts of each should be used?
___ L of pure acid solution and ___ L of 10% acid sol
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Question 1013385: Pure acid is to be added to a 10% acid solution to obtain 90 L of a 20% acid solution.
What amounts of each should be used?
___ L of pure acid solution and ___ L of 10% acid solution.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The pure acid is 100%. If this pure acid is a liquid, then you can use the instructive discussion here: Solve for both parts of a two-part mixture.
You can also assign just one single variable to solve the problem which might be a little faster or easier.
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