Determine the ph of a 0.500 m hno2 solution. ka of hno2 is 4.6 * 10-4.

a. 1.82
b. 1.67
c. 2.67
d. 0.30

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)