Elizabeth T.

asked • 09/02/19

A sheet of aluminum foil has a length, width, and height of 9.91 cm, 8.64 cm, and 0.00150 cm, respectively. Aluminum has a density of 2.70 g/cm3. What is the mass, in grams, of the foil?

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Jesse E. answered • 09/02/19

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Masters in Chemistry and Bachelors in Biology

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First we need to find the volume:


Volume = 9.91 cm x 8.64 cm x 0.00150 cm = 0.128 cm3.


The density equation is:


Density = mass/volume


To find the mass, the equation can be arranged as follows:


mass = density*volume = 2.70 g/cm3* 0.128 cm3.= 0.346 grams

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Louis G.

tutor
I think this is incorrect in that by rearranging the density equation we get M = DV = 2.70 g/cm3 x .128 cm3 = 0.346 g
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09/02/19

Jesse E.

You are right. I put in the wrong symbol. It has been corrected. Thanks for letting me know.
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09/03/19

Aj C.

Thank you so much for solving this you saved me from a failing grade.
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09/04/20

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