Question

A copper sphere of mass 2 gram contains about 2 into 10 power 22 atoms the charge on the nucleus of each atom is 29 is equal to Electronic charge the mass of electron is 9.7 into 10 power minus 13 kg how much mass will the square lose again if it is given a charge of + 2 microC​

Answer 1

Answer:

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Explanation:

A copper sphere of mass 2 g contains nearly 2 x 1022 atoms. The charge on the nucleus of each atom is 29 e.