Number of molecules in 16 g of methane is :

Options

A. `3.011 xx 10^(23)`
B. `6.022 xx 10^(23)`
C. `12.46 xx 10^(23)`
D. `1.5 xx 10^(23)`

Answer

B

Explanation

Molar mass of `CH_(4)=12+4 = 16g`
16 g of methane have molecules `= N_(A)=6.022 xx 10^(23)`