C1V1=C2V2

you have a 250ml bottle of 50% dextrose. you need to prepare 150 ml of an 8% dextrose solution. how much of the concentrated solution will you use? how much water will you add?

Reply (by Keith)

This could be solved by using C1V1=C2V2, yes.
However, a less confusing way would be to
use an Alligation
.

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