Question

Molar mass of electron is nearly(NA=6*10²³)

(A) 9.1*10^-31 kg/mol
(B) 9.1*10^-31 gm/mol
(C) 54.6*10^-8 gm/mol
(D) 54.6*10^-8 kg/mol

The correct answer is (D).
Plz give me the answer

Answer 1

one mile electron = N0

and mass of one electron is = 9.1* 10-31

(9.1*10-31)  * (6*1023)