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Which of the following statement is correct?

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a
1 mole of electron has 1.6×1019C of charge
b
1 mole of electrons weigh 0.548 mg
c
1 mole of electrons weigh 5.48 mg
d
1 mole of electrons weigh 0.548 kg

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detailed solution

Correct option is B

Number of atom in each case;

9.1×1028×6.023×1023×103mg=0.548mg

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