How many electrons will weight 1 gram.
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The mass of 1 electron is 9.1 ×10^(-31) kg which is 9.1 ×10^(-28) g.
Hence the no. of electrons which will add up to a mass of 1 gm is (1/9.1) × 10 ^(28)
= 0.1098 ×10^(28)
= 1.098×10^(27) electrons.
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