Question: 1. The pH of a 0.253 M weak basic solution is 12.78. What is the Kb? 2. What is the pH of a H2SO4 solution,

1. The pH of a 0.253 M weak basic solution is 12.78. What is the Kb? 2. What is the pH of a H2SO4 solution, of which 25.0 mL was titrated with 47.35 mL of 0.50 M KOH?

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