Question

The mass of an election in 10 9:11 X 10°3) 9. How many electrons would be required
to make 1g
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Answer 1

Answer:

Here, mass of an electron =9.11×10^−31kg, total mass = 1kg

∴Number of electrons = total mass of each electron

=1/19.11×10^−31 = 1.1×10^30