Question
A pure copper sphere has a radius of 0.935 in. How many copper atomsdoes it contain? The volume of a sphere is $(4 / 3) \pi r^{3},$ and the density ofcopper is 8.96 $\mathrm{g} / \mathrm{cm}^{3} .$
Step 1
1 inch = 2.54 cm, so the radius in centimeters is: 0.935 in × 2.54 cm/in = 2.3759 cm. Show more…
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A pure copper sphere has a radius of 0.935 in. How many copper atoms does it contain? [The volume of a sphere is $(4 / 3) \pi r^{3}$ and the density of copper is 8.96 $\mathrm{g} / \mathrm{cm}^{3} . ]$
A pure copper sphere has a radius of 0.935 in. How many copper atoms does it contain? The volume of a sphere is (4>3) pr3, and the density of copper is 8.96 g>cm3.
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