Be sure to answer all parts. drinking water is often disinfected with cl2, which hydrolyzes to form hclo, a weak acid but powerful disinfectant: cl2(aq) + 2 h2o(l) longrightarrow hclo(aq) + h3o+(aq) + cl−(aq) the fraction of hclo in solution is defined as [hclo] [hclo] + [clo−]