# Problem: An aluminum sphere contains 8.55 x 10 22 aluminum atoms. What is the sphere's radius in centimeters? The density of aluminum is 2.70 g/ cm3. Recall that the volume of a sphere is given by the formula: 4/3 π r3 A. 1.4187 cm 3B. 0.697 cmC. 0.339 cmD. 0.822 cmE. 7.8583 x10-1 cm

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###### Problem Details

An aluminum sphere contains 8.55 x 10 22 aluminum atoms. What is the sphere's radius in centimeters? The density of aluminum is 2.70 g/ cm3. Recall that the volume of a sphere is given by the formula: 4/3 π r3

A. 1.4187 cm 3
B. 0.697 cm
C. 0.339 cm
D. 0.822 cm
E. 7.8583 x10-1 cm

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Our tutors have indicated that to solve this problem you will need to apply the Density concept. You can view video lessons to learn Density. Or if you need more Density practice, you can also practice Density practice problems.

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Based on our data, we think this problem is relevant for Professor Maron's class at CU.