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Chemistry 13 Online
OpenStudy (anonymous):

calculate the volume of alcohol that you have to add to one liter of cola to make a drink of 10% (v/v) alcohol. Practicing for my lab calc exam :/ please someone help?

OpenStudy (aaronq):

since you're working in volume only, set up a ratio, knowing that: 1 L of coke = 90% of the volume x L of alcohol = 10% of the volume \(\dfrac{1~L}{x~L}=\dfrac{0.9}{0.1}\rightarrow x~L=0.11\bar1 ~L\)

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