Question

If Avogadro number is N,Then find out the number of electrons in 1 mole of water.
a)2N
b)3N
c)4N
d)10N​

Answer 1

Answer:

Number of mole in 4.8 gm of oxygen atom =164.8=0.3 mole 

Number of the valence electron in one ion of O2−=8

Number of the valence electron in 0.3 mole of O2−=8×0.3×NA=2.4NA

Hence, the correct option is (A).

Explanation:

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