Question

Mass of an electron is 9.11×10-9 kg.How many elections would make 1kg?

Answer 1

Answer:

Explanation:

9.11 × 10^-9 kg has = 1 electron

Thus 1 kg will have = 1/9.11 × 10^-9

=1.1 × 10^8 electron which is approximately equal to 10^8 electrons.

Thus 10^8 electrons are present in 1 kg.

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