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When Cl2 gas is added to water during the disinfection of drinking water, it hydrolyzes with the water to form HOCI (Equation 8.13). Assume that

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When Cl2 gas is added to water during the disinfection of drinking water, it hydrolyzes with the water to form HOCI (Equation 8.13). Assume that the disinfection power of the acid HOCl is 88 times greater than the conjugate base, OCI. The pKa for HOCl is 7.5. What fraction of the total disinfection power measured as free chlorine (HOCI + OCI") exists in the acid form at pH = 6.6? Report answers as decimal values. =

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