SOLUTION: A chemist has two solutions of H2s04. One has a 40% concentration and the other has a 25% concentration. How many liters of each solution must be mixed to obtain 77 liters of a 28%

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Question 409152: A chemist has two solutions of H2s04. One has a 40% concentration and the other has a 25% concentration. How many liters of each solution must be mixed to obtain 77 liters of a 28% concentration?
Solved my last mixture problem on my own and now I am stumped on this one.
Can someone help explain this? Please :)
Answer by Jeef Gorrdon(26) About Me  (Show Source):
You can put this solution on YOUR website!
go to a chemistry forum