Doreen Schmidt is a chemist. She needs to prepare 28 ounces of a 11% hydrochloric acid
solution. Find the amount of 14% solution and the amount of 7% solution she should mix to
get this solution
Concentration
Ounces of Solution Ounces of Pure Acid
rate
First Solution
7%
0.07x
Second
1 14% 1 y
Solution
0.14
Mixture Needed
0.11(28)
28
How many ounces of the 14% acid solution should be in the mixture?
ounces