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OpenStudy (allieatthedisco):
The density of aluminium is 2.7 g/cm^3. What is the mass of a cube of aluminium which occupies a volume of 32.1 cm^3?
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OpenStudy (xishem):
Let's use some dimensional analysis:\[32.1cm^3 \times \frac{2.7g}{cm^3}=86.7g\]The volumes in cm^3 cancel out to give you grams.
OpenStudy (allieatthedisco):
Awesome, thanks!!!!!
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