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Q.

Which of the following is/are correct for 1 mole of electrons?


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a

6.023×1023 electrons        

b

5.48×10-7  kg        

c

96500coulomb charge        

d

All of the above 

answer is C.

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Detailed Solution

Number of particles in 1 mole = NA
Number of electrons in 1 mole = 6.023×1023 electrons
Mass of 1 electron = 9.1×10-31kg
Mass of 1 mole of electron = 9.1×10-31kg ×6.023×1023 electrons= 5.48×10-7  kg and 1 mole of electron = 96500coulomb charge.
 
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