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a) What is the pH of a solution that mixes 30mL of 0.01M CH3COOH with 30mL 0.0075M NaCH3CO2? (Assume the volumes are additive) b) What is the pH of a solution that mixes 20mL of 0.1M NH3 with 35mL of 0.1M NH4Cl? (Assume the volumes are additive); k_b = 1.8*10^-5

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