Reaction `2BaO_(2)(s)hArr2BaO(s) + O_(2)(g), Delta H = +ve`. At equilibrium condition, pressure of `O_(2)` is depended on:
A. increase in mass of `BaO_(2)`
B. increase in mass of `BaO`
C. increase in temperature on equilibrium
D. increase in mass of `BaO_(2)` and `BaO` both.
