Calculate the concentration of acid in each buffer solution. The pKa of acetic acid is 4.745. shown in the first attached picture!!!! ALSO - make sure for the unrounded values there is 6 sig figs!! EXPERIMENTAL DATASampleHIn (mL)1.10 M Acetic Acid (mL)0.90 M Sodium Acetate (mL)110.008.002.00210.007.003.00310.006.004.00410.005.005.00510.004.006.00610.003.007.00710.002.008.00810.001.009.00910.0010.00 mL NaOH (0.10 M)1010.0010.00 mL HCl (0.10 M) Calculate the concentration of acid in each buffer solution. The pKa of acetic acid is 4.745.Sample[H3O*](M)AbsorbanceUnroundedRounded1333453738310

Total volume of solution = volume of HIn sample + (Volume of acetic acid + volume of acetate)…

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Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter14: Acid- Base Equilibria

Section: Chapter Questions

Problem 44E: Calculate the ratio [NH3]/[NH4+] in ammonia/ammonium chloride buffered solutions with the following...

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EXPERIMENTAL DATA

Sample	HIn (mL)	1.10 M Acetic Acid (mL)	0.90 M Sodium Acetate (mL)
1	10.00	8.00	2.00
2	10.00	7.00	3.00
3	10.00	6.00	4.00
4	10.00	5.00	5.00
5	10.00	4.00	6.00
6	10.00	3.00	7.00
7	10.00	2.00	8.00
8	10.00	1.00	9.00
9	10.00	10.00 mL NaOH (0.10 M)
10	10.00	10.00 mL HCl (0.10 M)

Calculate the concentration of acid in each buffer solution. The pKa of acetic acid is 4.745.
Sample
[H3O*](M)
Absorbance
Unrounded
Rounded
1
3
3
3
4
5
3
7
3
8
3
10

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