Asked by Mani
In 500cmcube of alcohol solution the percentage of alcohol by volume is 80%. Find the volume of water that must be added to the solution so that the ratio of the volume of alcohol to that of water becomes 5:2?
Please some one give me answer
Please some one give me answer
Answers
Answered by
Steve
working with the amount of alcohol, which remains unchanged,
.80 * 500 = 5/7 (500+x)
x = 60
check:
in 560 ml, there are 400ml alcohol, 160 ml of water
400:160 = 5:2
.80 * 500 = 5/7 (500+x)
x = 60
check:
in 560 ml, there are 400ml alcohol, 160 ml of water
400:160 = 5:2
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