SOLUTION: You have 0.35 liters of an acid solution whose acid concentration is 15%. How many liters of pure water should be added to lower the concentration to 7%?
Algebra ->
Customizable Word Problem Solvers
-> Mixtures
-> SOLUTION: You have 0.35 liters of an acid solution whose acid concentration is 15%. How many liters of pure water should be added to lower the concentration to 7%?
Log On
Question 961974: You have 0.35 liters of an acid solution whose acid concentration is 15%. How many liters of pure water should be added to lower the concentration to 7%? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! You have 0.35 liters of an acid solution whose acid concentration is 15%. How many liters of pure water should be added to lower the concentration to 7%?
***
let x=amt of pure water should be added
15%*35=7%(35+x)
5.25=2.45+.07x
.07x=2.80
x=40
How many liters of pure water should be added to lower the concentration to 7%? 40
(