Let HA represent a weak acid. A 10.0 mL sample of 0.600 M HA was titrated with 0.300M NAOH. The table below is some of the data for this titration. Volume NaOH added (mL) 5.00 10.00 15.00 pH 6.98 7.46 7.93 ? ? Calculate the following: a) The volume of NaOH needed to reach the equivalence point is mL. (Report value to the correct number of significant figures.) b) The Ka for HA is Report value using no superscripts. For example, Kw = 1.0 x 10-14 or 1.0e-14 (Report value to the correct number of significant figures.) c) The Kp for A is Report value using no superscripts. For example, Kw = 1.0 x 10-14 or 1.0e-14 (Report value to the correct number of significant figures.) d) The pH of the solution at the equivalence point is e) On your sheet of paper, draw a reasonable diagram of the complete titration curve. Label both axis appropriately. Label the volumes and pH values at the MIDPOINT and the EQUIVALENCE POINT.

Let HA represent a weak acid. A 10.0 mL sample of 0.600 M HA was titrated with 0.300M NAOH. The table below is some of the data for this titration. Volume NaOH added (mL) 5.00 10.00 15.00 pH 6.98 7.46 7.93 ? ? Calculate the following: a) The volume of NaOH needed to reach the equivalence point is mL. (Report value to the correct number of significant figures.) b) The Ka for HA is Report value using no superscripts. For example, Kw = 1.0 x 10-14 or 1.0e-14 (Report value to the correct number of significant figures.) c) The Kp for A is Report value using no superscripts. For example, Kw = 1.0 x 10-14 or 1.0e-14 (Report value to the correct number of significant figures.) d) The pH of the solution at the equivalence point is e) On your sheet of paper, draw a reasonable diagram of the complete titration curve. Label both axis appropriately. Label the volumes and pH values at the MIDPOINT and the EQUIVALENCE POINT.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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