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Part 1:

Trial	Initial pH	Final pH	Final volume after titration	Initial Buret Reading	Total Volume Titrated
#1	3.34 pH	4.35 pH	47.50 mL	50 mL	2.50 mL
#2	3.39 pH	4.20 pH	47.90 mL	50 mL	2.10 mL
#3	3.39 pH	4.40 pH	47.00 mL	50 mL	3.00 mL

Part 2:

Trial	Initial pH	Final pH	Final volume after titration	Initial Buret Reading	Total Volume Titrated
#1	5.01 pH	5.03 pH	48.00 mL	50 mL	2.00 mL
#2	5.01 pH	5.04 pH	47.00 mL	50 mL	3.00 mL
#3	5.01 pH	5.04 pH	47.50 mL	50 mL	2.50 mL

Part 3:

Trial	Initial pH	Final pH	Final volume after titration	Initial Buret Reading	Total Volume Titrated
#1	5.01 pH	4.99 pH	47.00 mL	50 mL	3.00 mL
#2	5.01 pH	4.98 pH	46.80 mL	50 mL	3.20 mL
#3	5.01 pH	5.00 pH	47.50 mL	50 mL	2.50 mL

1.According to your observations, inPart 2 and Part 3, did your buret values agree with one another? Ifnot, how would you explain the difference?

2. What conclusions can you draw when you compare Part 1 to Part2? What about when comparing Part 1 to Part 3? Explain yourreasoning.

3. Given the following, determine which set(s) correctlyrepresents a buffer system. Explain your reasoning.

1. NaNO₃

HF and KF

HCl and NaOH

HC₂H₃O₂ andNaC₂H₃O₂

4. What is the pH of a solution prepared by dissolving 1.00 g ofCa(OH)₂ in water to make 875 mL of the solution?Show your calculations.

5. Given the following pair, determine which one is more basic.Explain your reasoning.

Photo developer with a pH of 12.0 or a solution of borax with apH of 9.2