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)
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: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 87QRT: You need 300. mL of 0.500-M K2Cr2O7. Which method is best to prepare this solution? Explain your...
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Question
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)
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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