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Calculating Mass of a Sphere

1) Grains of fine beach sand are assumed to be spheres of radius 57.5 micro meters. These grains are made of silicon dioxide which has a density of 2600kg/m^3.

What is the mass of each grain of sand and answer in kg.

Got answer of 2.1 * 10^-9 kg from previous work, but wrong answer. Please step by step help work this out for correct answer.

Solution Summary

The solution provides a detailed, step-by-step calculation of the mass of a sphere given the radius and density.