The sulfur dioxide concentration in San Diego was measured at 81ppb. What is the pH of an aqueous aerosol in equilibrium with SO2 at 25°C? •KH= 1.4*10^-5 M/Pa for sulfur dioxide •Ka1= 1.6*10^-2 for H2SO3 •assume HSO3- formation approximates H+ and is negligible compared to concentration of H2SO3 formed Do not use quadratic equation to solve and show all mathematical steps

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