SOLUTION: Jennifer needs to make a solution that is 20% hydrochloric acid. If she must use all of the 25 mL of 40% hydrochloric acid she started with, then how much water needs to be mixed w
Algebra ->
Customizable Word Problem Solvers
-> Geometry
-> SOLUTION: Jennifer needs to make a solution that is 20% hydrochloric acid. If she must use all of the 25 mL of 40% hydrochloric acid she started with, then how much water needs to be mixed w
Log On
Question 959171: Jennifer needs to make a solution that is 20% hydrochloric acid. If she must use all of the 25 mL of 40% hydrochloric acid she started with, then how much water needs to be mixed with the original solution? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! Jennifer needs to make a solution that is 20% hydrochloric acid. If she must use all of the 25 mL of 40% hydrochloric acid she started with, then how much water needs to be mixed with the original solution?
***
let x=amt of water to mix
40%*25=20%(25+x)
10=5+.20x
.20x=5
x=25
how much water needs to be mixed? 25 mL
(