Question

the total no.of electrons present in 4.6 g of sodium is

Answer 1

It is 1.20*10^23.This is also from anth

Answer 2

0.20 mol Na

by using following formula:-

n=m/M,

in which n= # of moles ; m= the mass of the substance ; and M= the molar mass of the substance.

n=4.6 g / 22.99 g/mol = 0.20 mol Na