Calculate theoretical pH for each solution recorded in Data Table 1. Remember for weak acids (and bases) you will need to solve the equilibrium expression for [H3O+] (or OH-] to determine the theoretical pH. Use Ka = 1.8 x 10-5 and Kb = 1.5 x 10-14 for your calculations. Show one weak acid and one weak base example calculation and complete Table 3: Weak acid: Weak base: weak acids and bases 6 difference 2. Ka or Kb can also be calculated from the from Measured pH. See Example 2, in the discussion under weak acids and bases. Calculate Ka from your measured pH of the 0.10 M solution of acetic acid. Weak Acid (HOAC) 3. Calculate Kb from your measured pH of the 0.10 M urea solution.
Calculate theoretical pH for each solution recorded in Data Table 1. Remember for weak acids (and bases) you will need to solve the equilibrium expression for [H3O+] (or OH-] to determine the theoretical pH. Use Ka = 1.8 x 10-5 and Kb = 1.5 x 10-14 for your calculations. Show one weak acid and one weak base example calculation and complete Table 3: Weak acid: Weak base: weak acids and bases 6 difference 2. Ka or Kb can also be calculated from the from Measured pH. See Example 2, in the discussion under weak acids and bases. Calculate Ka from your measured pH of the 0.10 M solution of acetic acid. Weak Acid (HOAC) 3. Calculate Kb from your measured pH of the 0.10 M urea solution.
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![Table 1
Solution
Measured pH
Measured pH Measured pH Measured pH
1.
Calculate theoretical pH for each solution recorded
in Data Table 1. Remember for weak acids (and bases) you
will need to solve the equilibrium expression for [H3O+] (or
OH-] to determine the theoretical pH. Use Ka = 1.8 x 10-5
and Kb = 1.5 x 10-14 for your calculations. Show one weak
acid and one weak base example calculation and complete
Table 3:
Strong Base
(NaOH)
Strong Acid
Weak Acid
Weak Base
(HCI)
(HOAC)
(urea)
0.10 M
1.59
12.57
3.15
6.97
0.010 M
2.17
12.21
3.53
7.67
0.0010 M
3.10
11.16
3.98
7.65
Weak acid:
0.00010 M
3.83
10.28
4,42
7.44
Weak base:
Table 3. Theoretical pH of strong acids and bases and weak acids and bases
Theoretical Theoretical % difference
difference
Theoretical Theoretical
2. Ka or Kb can also be calculated from the
Solution
from
from
pH
pH
pH
pH
pH. See Example 2, in the discussion under weak
acids and bases. Calculate Ka from your measured
pH of the 0.10 M solution of acetic acid.
Measured
Measured
Strong Acid Strong Base Strong Acid Weak Acid Weak Base Weak Acid
(HCI)
(NaOH)
(HCI)
(HOAC)
(urea)
(HOAC)
3. Calculate Kb from your measured pH of
0.10 M
the 0.10 M urea solution.
0.010 M
0.0010 M
0.00010 M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdad58011-25a3-487e-989c-4587e719a173%2Ff3cbd20e-b65b-45b0-98db-5b32f49266d9%2Fx06vql_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Table 1
Solution
Measured pH
Measured pH Measured pH Measured pH
1.
Calculate theoretical pH for each solution recorded
in Data Table 1. Remember for weak acids (and bases) you
will need to solve the equilibrium expression for [H3O+] (or
OH-] to determine the theoretical pH. Use Ka = 1.8 x 10-5
and Kb = 1.5 x 10-14 for your calculations. Show one weak
acid and one weak base example calculation and complete
Table 3:
Strong Base
(NaOH)
Strong Acid
Weak Acid
Weak Base
(HCI)
(HOAC)
(urea)
0.10 M
1.59
12.57
3.15
6.97
0.010 M
2.17
12.21
3.53
7.67
0.0010 M
3.10
11.16
3.98
7.65
Weak acid:
0.00010 M
3.83
10.28
4,42
7.44
Weak base:
Table 3. Theoretical pH of strong acids and bases and weak acids and bases
Theoretical Theoretical % difference
difference
Theoretical Theoretical
2. Ka or Kb can also be calculated from the
Solution
from
from
pH
pH
pH
pH
pH. See Example 2, in the discussion under weak
acids and bases. Calculate Ka from your measured
pH of the 0.10 M solution of acetic acid.
Measured
Measured
Strong Acid Strong Base Strong Acid Weak Acid Weak Base Weak Acid
(HCI)
(NaOH)
(HCI)
(HOAC)
(urea)
(HOAC)
3. Calculate Kb from your measured pH of
0.10 M
the 0.10 M urea solution.
0.010 M
0.0010 M
0.00010 M
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