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(b) Calculate the pH of a solution formed by mixing 65 mL

Chapter , Problem 17.22b

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QUESTION:

(a) Calculate the pH of a buffer that is 0.105 M in \(\mathrm{NaHCO}_{3}\) and 0.125 M in \(\mathrm{Na}_{2} \mathrm{CO}_{3}\).

(b) Calculate the pH of a solution formed by mixing 65 mL of 0.20 M \(\mathrm{NaHCO}_{3}\) with 75 mL of 0.15 M \(\mathrm{Na}_{2} \mathrm{CO}_{3}\).

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QUESTION:

(a) Calculate the pH of a buffer that is 0.105 M in \(\mathrm{NaHCO}_{3}\) and 0.125 M in \(\mathrm{Na}_{2} \mathrm{CO}_{3}\).

(b) Calculate the pH of a solution formed by mixing 65 mL of 0.20 M \(\mathrm{NaHCO}_{3}\) with 75 mL of 0.15 M \(\mathrm{Na}_{2} \mathrm{CO}_{3}\).

ANSWER:

Problem 17.22b(b) Calculate the pH of a solution formed by mixing 65 mL of 0.20 M NaHCO with 75 mL 3of 0.15 M Na CO . 2 3Solution: 17.22bHere we have to calculate the pH of the solution.Step-1Given :Concentration and volume of NaHCO : M = 0.20 M and3 = 1 mL = 0.065 L 1Concentra

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