The flask A and B of equal size contain 2 g of `H_(2)` and 2 g of `N_(2)` respectively at the same temperature. The number of molecules in flask A is

Options

A. same as those in flask B
B. less than those in flask B
C. greater then those in flask B
D. exactly half than those in flask B

Answer

C

Explanation

Moles of `H_(2) = (2)/(2) = 1`
Moles of `N_(2) = (2)/(28) = (1)/(14) = 0.0714`