Molar mass of electron is nearly : `(N_(A) = 6 xx 10^(23))`
A
`9.1 xx 10^(-31) kg mol^(1-)`
B
`9.1 xx 10^(-31) gm mol^(1-)`
C
`54.6 xx 10^(-8) gm mol^(-1)`
D
`54.6 xx 10^(-8) kg mol^(-1)`
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