JEE Class main Answered
please solve
Asked by manishguptaballia.15 | 11 May, 2024, 15:57: PM
Expert Answer
Dear Student,
Correct answer option is D.
Mass of electron = 9.108 ×10-31 kg
No. of electrons that would weigh 1 kg = 1 / 9.108 ×10-31
1 mole = 6.023 ×1023
Hence,
No. of moles of electrons that would weigh 1 kg
= 1 / (9.108 ×10-31× 6.023 ×1023)
= [1 / (9.108 × 6.023) ] ×108
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