Asked by suhani
how much water we will add in 300 lliter of a solution then its concentration must be changed from 25% to 20%
Answers
Answered by
Steve
.25(300) = .20(300+x)
Or, since the concentration is being reduced by a factor of 4/5, the volume is increasing by a factor of 5/4. The additional volume is 1/4 of 300.
Or, since the concentration is being reduced by a factor of 4/5, the volume is increasing by a factor of 5/4. The additional volume is 1/4 of 300.
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