The atmospheric CO₂ concentration is 398 ppm. Assume that the air is in equilibrium with a water body that has a pH of 5.8. Estimate the concentrations of dissolved total CO₂ (CO₂(aq) +H₂CO₃), bicarbonate (HCO₃^-) and carbonate (CO₃^2-). Henrys law constant for carbon dioxide/water is kH = 29.41 atm mol-1. The equilibrium constants for dissociation of carbonic acid to bicarbonate, and of bicarbonate to carbonate is _H2C03 = 10^-6.35 and _HCO3 =10^-10.38 respectively.