Beakers #: 2 Contents in beakers 10 mL of 0.5 M HC:H;O 8 mL of 0.5 M HCSH302 6 mL of 0.5 M HC5H302 + 2 mL of 0.5 M NaC2H3O2 4 mL of 0.5 M NaC2H3O2 4 mL of 0.5 M HC5H302 + 6 mL of 0.5 M NaC2H302 5 2 mL of 0.5 M HC5H302 + 8 mL of 0.5 M NaC2H302 6 10 mL of 0.5 M NaC2H302 part 1 pH (Buffer 2.66 3.80 4.50 4.85 5.35 7.71 preparations) Part 2pH 1.56 3.23 4.00 4.00 4.83 (Strong Acid (5 drops) (5 drops) (12 drops) (15 drops) (7 drops) 5.90 (5 drops) added) Part 3 pH 3.83 4.38 4.99 5.40 5.98 (Strong Base (5 drops) (5 drops) (10 drops) (10 drops) (5 drops) 12.73 (5 drops) added)

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter11: Properties Of Solutions
Section: Chapter Questions
Problem 117AE: Patients undergoing an upper gastrointestinal tract laboratory test are typically given an X-ray...
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using the table below can you help me calculate

A)  the concentration of weak acid (HC2H302) using (volume of 0.5 ml HC2H302 × 0.5 / total volume of solution)

B) the concentration if conjugate base ( C2H302) using (volume of 0.5 mL NaC2H302 x 0.5 / total volume of solution)

Beakers #:
2
Contents in
beakers
10 mL of
0.5 M
HC:H;O
8 mL of 0.5 M
HCSH302
6 mL of 0.5 M
HC5H302
+
2 mL of 0.5 M
NaC2H3O2
4 mL of 0.5 M
NaC2H3O2
4 mL of 0.5 M
HC5H302
+
6 mL of 0.5 M
NaC2H302
5
2 mL of 0.5 M
HC5H302
+
8 mL of 0.5 M
NaC2H302
6
10 mL of 0.5 M
NaC2H302
part 1 pH
(Buffer
2.66
3.80
4.50
4.85
5.35
7.71
preparations)
Part 2pH
1.56
3.23
4.00
4.00
4.83
(Strong Acid
(5 drops)
(5 drops)
(12 drops)
(15 drops)
(7 drops)
5.90
(5 drops)
added)
Part 3 pH
3.83
4.38
4.99
5.40
5.98
(Strong Base
(5 drops)
(5 drops)
(10 drops)
(10 drops)
(5 drops)
12.73
(5 drops)
added)
Transcribed Image Text:Beakers #: 2 Contents in beakers 10 mL of 0.5 M HC:H;O 8 mL of 0.5 M HCSH302 6 mL of 0.5 M HC5H302 + 2 mL of 0.5 M NaC2H3O2 4 mL of 0.5 M NaC2H3O2 4 mL of 0.5 M HC5H302 + 6 mL of 0.5 M NaC2H302 5 2 mL of 0.5 M HC5H302 + 8 mL of 0.5 M NaC2H302 6 10 mL of 0.5 M NaC2H302 part 1 pH (Buffer 2.66 3.80 4.50 4.85 5.35 7.71 preparations) Part 2pH 1.56 3.23 4.00 4.00 4.83 (Strong Acid (5 drops) (5 drops) (12 drops) (15 drops) (7 drops) 5.90 (5 drops) added) Part 3 pH 3.83 4.38 4.99 5.40 5.98 (Strong Base (5 drops) (5 drops) (10 drops) (10 drops) (5 drops) 12.73 (5 drops) added)
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