Answer to Question #107519 in General Chemistry for Sourav Rathour

Question

How many electrons are necessary to produce a charge of -1.0 C? What is the mass of many electrons?

Answer 1

Charge of one electron is -1.6*10^-19 C, so to produce charge of -1.0 C the amount of

-1/(-1.6*10^-19) = 6.25*10¹⁸ electrons is necessarry.

Mass of one electron is 9.1*10^-31 kg, so the mass of the above amount of electrons is

6.25*10¹⁸*9.1*10^-31 = 5.687*10^-12 kg