SOLUTION: a chemist has 5 liters of a certain solution that is 70 percent salt. how much water should be added to make a new solution that is only 50% salt?

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: a chemist has 5 liters of a certain solution that is 70 percent salt. how much water should be added to make a new solution that is only 50% salt?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 610060: a chemist has 5 liters of a certain solution that is 70 percent salt. how much water should be added to make a new solution that is only 50% salt?
Answer by flame8855(424) About Me  (Show Source):
You can put this solution on YOUR website!
c1v1 = c2v2
0.7* 5 = 0.5v2
v2 = 7 liters