Suppose a cube of aluminum which is 100 cm on a side

Suppose a cube of aluminum which is 1.00 cm on a side accumulates a net charge of +2.70 pC.

(a) What percentage of the electrons originally in the cube was removed?

(b) By what percentage has the mass of the cube decreased because of this removal?

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Suppose a cube of aluminum which is 100 cm on a side : suppose a cube of aluminum which is 1.00 cm on a side accumulates a net charge of 2.70 pc.a what percentage of the

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