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A) What is the pH of a buffer made by combining 0.64 moles HOBr with 0.98...

A) What is the pH of a buffer made by combining 0.64 moles HOBr with 0.98 moles NaOBr in a 100.00mL solution? Ka HOBr = 2.5 x 10-9

B) What is the pH of a solution created by combining 1.13 mole of HOBr and 0.49 mole NaOH in a 1.00L solution? Ka HOBr = 2.5 x 10-9

C)How many moles of NH3 are required in a 1.00L solution to create a buffer with a pH of 8.96 if the solution contains 0.57 moles of NH4Cl? KbNH3 = 1.8 x 10-5?

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