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.
Added by Sally S.
Step 1
935 \) in, convert to cm: \( 0.935 \times 2.54 = 2.375 \) cm \( V = \frac{4}{3} \times \pi \times (2.375)^3 \) \( V = 56.108 \) cm³ 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 $\mathrm{g} / \mathrm{cm}^{3} . ]$
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