the mass of 1 mole of electrons is1 91x 10-28g2
The mass of 1 mole of electrons is:
(1) 9.1x 10-28g
(2) 1.008mg
(3) 0.55mg
(4) 9.1x 10-27g
Ans: (3)0.55mg
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the mass of 1 mole of electrons is1 91x 10-28g2 1008mg3 055mg4 91x 10-27gans
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