Question

calculate the number of electrons which will together weigh one gram​

Answer 1

ANSWER

The number of electrons which will weigh 1 g is 9.11×10−3110−3=1.098×1027 .

Mass of one mole of electrons is 9.11×10−31×6.023×1023=5.486×10−7kg.

Charge of 1 mole of electrons is 1.602×10−19×6.023×1023=9.647×104 C.

Answer 2

Answer:

(i) Mass of an electron = 9.1 x 10-28

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