Posted by **Jennafer** on Sunday, January 25, 2009 at 10:52am.

I dont even know where to begin to solve this problem please help

A 6.5 g piece of copper was rolled out into a thin sheet measuring 24.0 cm x 18.0 cm. The density of copper is 8.90g/cm3

1. Calculate the volume of the sheet of metal

2. Calculate the thickness of the sheet of copper

- chemistry -
**Damon**, Sunday, January 25, 2009 at 12:46pm
V = Volume = length*width * thickness =L w t

V = 24 * 18 * t

6.5 mass = V*density = 24 * 18 * t * 8.9

so

t = 6.5 /(24*18*8.9)

then

V = 24 * 18 * t

- chemistry -
**Mary**, Sunday, January 25, 2009 at 2:06pm
i think i understand is the volume 57.85

- chemistry -
**Damon**, Sunday, January 25, 2009 at 3:42pm
well volume = mass/density = 6.5/8.9

=.73 cm^3

I got .0017 for t

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