Which of the following expressions is correct ( `n = no`. of moles of the gas, `N_(A) =` Avogadro constant `m = mass` of 1 molecule of the gas, N = no of molecules of the gas) ? .

Options

A. `n = mN_(A)`
B. `m = N_(A)`
C. `N = nN_(A)`
D. `m = n//N_(A)`

Answer

C

Explanation

No. of molecule = Mole ` xx N_(A)`
`N = nN_(A)` .