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Chemistry Question on Mole concept and Molar Masses

The numerical value of N/n (where N is the number of molecules in a given sample of gas and n is the number of moles of the gas) is

A

8.314

B

6.02 X 102310^{23}

C

0.0821

D

1.62 X 10−1910^{-19}

Answer

6.02 X 102310^{23}

Explanation

Solution

No of molecules = No of moles (n)×NA(n) \times N_A Ratio of Nn=n × Nan\frac{N}{n} = \frac{n \, \times \, N_a}{n} ⇒NA=6.023×1023\Rightarrow N_{A} = 6.023 \times10^{23}