1. A student titrates 25.0 mL of an unknown base with 0.10 M HCI. During the titration the pH is monitored and the collected data is recorded. These data are shown in the table at the right.a. Use the information provided to draw a titration curve showing the pH as a function of the volume of added HCI. Be certain to label your axes.b. Identify the equivalence point on your graph and justify your selection of this particular point.c. Use the data to determine the Kö value for the weak base. Be certain to show the mathematical steps you take to arrive at the answer. Report your final answer to the correct number ofsignificant digits.d. The student has three indicators that she could use for this experiment. The indicators (with their endpoints) are: Bromophenol Blue (3.0 - 4.6), Methyl Red (4.2 – 6.3), andphenolphthalein (8.3 – 10.0). Which indicator would be appropriate for this titration? Justify your selection.e. Determine the (i) molarity and the (ii) % ionization of the original weak base solution (before titrating). Report your answers to the correct number of significant digits.Volume HCIadded (mL)0.05.010.012.515.020.022.024.025.026.028.030.035.037.540.045.050.0pH11.139.869.449.269.088.668.397.885.282.702.222.001.701.611.521.401.30

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A student titrates 25.0 mL of an unknown base with 0.10 M HCI. During the titration the pH is monitored and the collected data is recorded. These data are shown in the table at the right. a. Use the information provided to draw a titration curve showing the pH as a function of the volume of added HCI. Be certain to label your axes. b. Identify the equivalence point on your graph and justify your selection of this particular point. c. Use the data to determine the Kü value for the weak base. Be certain to show the mathematical steps you take to arrive at the answer. Report your final answer to the correct number of significant digits.

A student titrates 25.0 mL of an unknown base with 0.10 M HCI. During the titration the pH is monitored and the collected data is recorded. These data are shown in the table at the right. a. Use the information provided to draw a titration curve showing the pH as a function of the volume of added HCI. Be certain to label your axes. b. Identify the equivalence point on your graph and justify your selection of this particular point. c. Use the data to determine the Kü value for the weak base. Be certain to show the mathematical steps you take to arrive at the answer. Report your final answer to the correct number of significant digits.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter15: Additional Aqueous Equilibria

Section: Chapter Questions

Problem 32QRT: The titration curves for two acids with the same base are shown on this graph. (a) Which is the...

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