Homework Help: Chemistry

Posted by Thy on Sunday, October 7, 2012 at 6:26pm.

Please help: A silicon wafer has a thickness of 0.084cm, a diameter of 10.16 cm, and a mass of 15.87 g. what is the density of silicon based on these measurement?
I know that D=mass/volume.
Is this equation right: 15.87g/(0.084cm*10.16cm)?
thank you for your help.

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