SOLUTION: a chemist has two solutions of HCL. One has a 40% concentration and the other one has a 25% concentration. How many liters of each solution must be mixed to obtain 136 Liters of a
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Question 345292: a chemist has two solutions of HCL. One has a 40% concentration and the other one has a 25% concentration. How many liters of each solution must be mixed to obtain 136 Liters of a 33% solution?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let A be the amount of 40% solution and B the amount of 25% solution.
Volume equation:
1.
.
.
Concentration equation:
2.
Multiply eq. 1 by (-40) and add to eq. 2,
liters
.
.
.
Then using eq. 1,
liters
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