Posted by **laura** on Tuesday, January 13, 2009 at 5:30pm.

If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube

of the same material with sides 2.63 cm in length be?

- chem -
**DrBob222**, Tuesday, January 13, 2009 at 6:25pm
Use cube 1 to determine the density of the material. density = mass/volume. You have the mass and you can calculate the volume.

Now, using the density and the volume of cube 2, determine the mass of cube 2.

Post your work if you get stuck.

- chem -
**Lola**, Tuesday, January 12, 2010 at 4:41am
Here is my work, but the answer is incorrect.

D = M/V

D = 25.68 g/1.000 cm

D = 25.68 g/cm

That is for cube 1.

Mass = Density * Volume

Mass = 25.68 g/cm * 2.63 cm

Mass = 67.5384 g

This answer is incorrect. What did I do wrong?

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