November 26, 2015

Homework Help: chem

Posted by sam on Monday, November 15, 2010 at 4:27pm.

Fingernail-polish remover is primarily acetone (C3H6O). How many acetone molecules are in a bottle of acetone with a volume of 315 mL?
(density of acetone = 0.788 g/cm3.)

I know how to get grams to the molecules once i get ml to grams. but im not sure how i use the density of acetone to convert the ml to grams

I tried setting up a conversion factor:

315ml x .788g/cm^3

but nothing crosses out


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