SOLUTION: Theresa Morgan, a chemist, has a 20% hydrochloric acid solution and a 50% hydrochloric acid solution. How many liters of each should she mix to get 431.25 liters of a hydrochloric

Question 1114809: Theresa Morgan, a chemist, has a 20% hydrochloric acid solution and a 50% hydrochloric acid solution. How many liters of each should she mix to get 431.25 liters of a hydrochloric acid solution with a 42% acid concentration?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!

You might want to use Elimination Method at least for either variable.

------------of the 50% HCl
.
--------------of 20% HCl
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