Q.
The number of electrons in a mole of hydrogen molecule is
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a
6.02 × 1023
b
12.046 × 1023
c
3.0115 × 1023
d
Indefinite
answer is B.
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Detailed Solution
one mole of any substance contains Avogadro's number of entities(particles or atoms or molecules)One H2 molecule contains ‘2’ electronsOne mole of H2 contains 2×6.023×1023 electrons =12.046×1023 electrons
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