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Question

The number of hydrogen atoms present in one mole of hydrogen molecule is:


A

6.022 x 1023

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B

12.044 x 1023

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C

6.022 x 1022

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D

3.011 x 1023

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Solution

The correct option is C 12.044 x 1023



One mole of hydrogen atoms contains 6.022x1023 atoms.

Since there are two hydrogen atoms in a hydrogen molecule hence, one mole of H2 molecule contains (2 x 6.022 x 1023 = 12.044 x 1023) atoms.

Since hydrogen molecule is diatomic hence we multiply it by 2


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