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Prepare 250.00 mL of a 0.1 M carbonate buffer with a pH of 9.5. Use sodium...

Prepare 250.00 mL of a 0.1 M carbonate buffer with a pH of 9.5. Use sodium bicarbonate NaHCO3 , 0.100 M HCl solution and 0.200 M NaOH solution. How do you make this buffer?

Givens:

Carbonic acid pKa1 = 6.35 | pKa2 = 10.33

Molar mass NaHCO3 = 84.01 g/mol

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