A) \[6.02\times {{10}^{23}}\]
B) \[3.01\times {{10}^{23}}\]
C) \[2.5\times {{10}^{23}}\]
D) \[1.5\times {{10}^{23}}\]
Correct Answer: B
Solution :
\[\because \] 2gm of hydrogen \[=6.02\times {{10}^{23}}\]molecules \[\therefore \] 1gm of hydrogen \[=\frac{6.02\times {{10}^{23}}}{2}=3.01\times {{10}^{23}}\]molecule.
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