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OpenStudy (anonymous):
one cubic centimeter of aluminum weighs 2.7 grams. If a piece of aluminum foil weighs 5.4 grams, find the volume of the aluminum foil?
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OpenStudy (anonymous):
Ok, so this is just a matter of looking at the ratios. If the density of aluminum is 2.7 grams for each cubic centimeter, and you have 5.4 grams you can find the volume by unit analyses. \[5.4 g \times {1 cm^3 \over 2.7 g}\] The grams on top and bottom will cancel and you will be left with the number of cubic centimeters.
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