# Chemistry

posted by
**Thy** on
.

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.