Asked by Mary

For a certain experiment, a student requires 100 cubic centimeters of a solution that is 8% HCI. The storeroom has only solutions that are 15% HCI and 5% HCI. How many cubic centimeters of each available solution should be mixed to get 100 cubic centimeters of 8% HCI?
Answered by Mike
Lets say x is the # of cubic centimeters of 15% HCI and 100-x is the # of cubic centimeters of 5% HCI.

0.15x + 0.05(100-x) = 0.08(100)

Solve it from there.
Answered by Anonymous
3383838
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