Reducing the pressure from 1.0 to 0.5 atm would change the number of molecules in one mole of ammonia to

Options

A. 75% of initial value
B. 50% of initial value
C. 25% of initial value
D. None of these

Answer

D

Explanation

The number of molecules in one moble of a gas are independent of pressure i.e., 1 mole `= 6.02 xx 10^(23)` molecules