Asked by linda
a chemist has 12% hydrochloric acid+24% hydrochloric. How many of each should be 16 liters of 21%hydrochloric?
Answers
Answered by
Reiny
12% needed --- x
24% needed --- 16-x
solve:
.12x+ .24(16-x) = .21(16
times 100
12x + 24(16-x) = 21(16)
take over....
24% needed --- 16-x
solve:
.12x+ .24(16-x) = .21(16
times 100
12x + 24(16-x) = 21(16)
take over....
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