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OpenStudy (anonymous):
forty liters of a 60% disinfectant salt solution are reduced to a 45% solution. How much must be drained off and replaced with distilled water so that the resulting solution will contain only 45% salT?
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OpenStudy (anonymous):
10 litres
OpenStudy (anonymous):
I am sooo not going to do the working out though. anyone?
OpenStudy (anonymous):
lol thnks anyways :P ;)
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