A soft drink was bottled with a partial pressure of CO of 3 bar over the liquid at room temperature. — Ionic Equilibrium Chemistry Question

Question

A soft drink was bottled with a partial pressure of CO of 3 bar over the liquid at room temperature. The partial pressure of CO over the solution approaches a value of 30 bar when 44g of CO is dissolved in 1 kg of water at room temperature. The approximate pH of the soft drink is ………….. x 10 . (First dissociation constant of H CO = 4.0 × 10 ; log 2 = 0.3; density of the soft drink = 1 g mL ) 2 2 2 –1 2 3 –7 –1