SOLUTION: Doreen Schmidt is a chemist. she needs to prepare 24 ounces of a 9% hydrochloric acid solution. find the amount of 12% solution and the mount of 6% solution she should mix to get

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Question 918670: Doreen Schmidt is a chemist. she needs to prepare 24 ounces of a 9% hydrochloric acid solution. find the amount of 12% solution and the mount of 6% solution she should mix to get this solution.

How many ounces of the 12% acid solution should be in the mixture ________
How many ounces of the 6% acid solution should be in the mixture_________
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Previously posted
x the 12% amount
.12x + .06(24oz - x) =.09(24oz)
x = .03(24oz)/.06 = 12oz, the 12% amount.
How many ounces of the 12% acid solution should be in the mixture: 12oz
How many ounces of the 6% acid solution should be in the mixture: 12oz