Question

How many electrons would make 1 kg if the mass of an electron is 9.1 into 10 to the

power minus 31 kg.​

Answer 1

Explanation:

mass of an electron=9.11 x 10⁻³¹kg =9.11 x 10⁻²⁸g 1kg=1000g Number of electrons present in 1kg will be : =1000/9.11 x 10⁻²⁸ =109.76 x 10 ²⁸ ∴ Number of electrons present in 1kg would be 109.

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