Experiment 2: You examine the buffering capacity of three unknown solutions by c

Question

Experiment 2: You examine the buffering capacity of three unknown solutions by conducting an experiment where you add 0.01 N HCl to each solution until the solution is neutralized. The initial pH of each solution is recorded in Table 2 below. You record the amount of HCI added to each beaker to reach neutralization. Table 2: Buffering capacity experimental results Solution (10 ml Initial pH HCI added to reach neutralization (pH 8.0 9.0 8.5 7.0) 10 drops 4 drops 20 drops 2. 13 pts.J Based on the results, which of the three solutions, A, B, or C, is the best buffer? Explain your answer with any appropriate caleulation. Also use evidence from your own lab's results for the last Exercise.

Explanation / Answer

Solution A

Solution B

Solution C

Therefore Solution C is the best buffer as it moat resistant to pH change than other solution.

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