SOLUTION: I have a one gallon container and I need to make up a 2.5% solution of acetic acid in that 1 gallon container. How much 99% Acetic Acid in mLs do add, to how much water in mls to

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Question 312896: I have a one gallon container and I need to make up a 2.5% solution of acetic acid in that 1 gallon container. How much 99% Acetic Acid in mLs do add, to how much water in mls to make up a 2.5% solution of Acetic Acid?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
I have a one gallon container and I need to make up a 2.5% solution of acetic acid in that 1 gallon container.
How much 99% Acetic Acid in mLs do add, to how much water in mls to make up a 2.5% solution of Acetic Acid?
:
convert 1 gal to ml: 1 gal = 3.785 liter, which is 3785 ml
:
Let x = amt of 99% acetic acid required to accomplish this
:
.99x = .025(3785)
.99x = 94.625
x = 94.625%2F.99
x = 95.58 ml of 99% acid required
then
3785 - 95.58 = 3689.42 ml of water
;
Confirm this by seeing that the amt of acid is equal in each mixture
.99(95.58) = .025(3785)
94.6 = 94.6