Question: 2. You perform a potentiometric titration on the same water sample (100mL) with 0.0155MHCl. The initial pH of the sample is 7.98. When you have

2. You perform a potentiometric titration on the same water sample (100mL) with 0.0155MHCl. The initial pH of the sample is 7.98. When you have added 3.56cm3 the pH meter reads 6.98 you add a further 18.21cm3 to reach a pH of 4.5. a) What is the buffer capacity of the sample? b) What is the alkalinity of the sample

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