Given the following titration curve answer questions 4 – 6. Make sure your mark on the graph the volume at the equivalence point, the pH at the equivalence point, the volume where the pH=pKa, and the value for the pKa. 15.00 14.00 13.00 12.00 11.00 10.00 9.00 8.00 7.00 pH 6.00 5.00 4.00 3.00 2.00 1.00 0.00 4 12 16 20 24 28 32 36 40 44 48 52 56 60 Volume of Titrant (mL) The above titration curve was obtained when a 10.00 mL sample of a 0.50 M base was titrated with an acid. 4. What is the approximate molarity of the acid (the titrant) used?

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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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Consider the following situation.

What is the approximate molarity of the acid (the titrant) used?

What is the value of the Kb for the base?

What is the pH at the equivalence point? Why is the pH not = 7.00?

Given the following titration curve answer questions 4 – 6. Make sure your mark on the graph
the volume at the equivalence point, the pH at the equivalence point, the volume where the
pH=pKa, and the value for the pKa.
15.00
14.00
13.00
12.00
11.00
10.00
9.00
8.00
7.00
pH
6.00
5.00
4.00
3.00
2.00
1.00
0.00
4
12
16
20
24
28
32
36
40
44
48
52
56
60
Volume of Titrant (mL)
The above titration curve was obtained when a 10.00 mL sample of a 0.50 M base was titrated with an
acid.
4. What is the approximate molarity of the acid (the titrant) used?
Transcribed Image Text:Given the following titration curve answer questions 4 – 6. Make sure your mark on the graph the volume at the equivalence point, the pH at the equivalence point, the volume where the pH=pKa, and the value for the pKa. 15.00 14.00 13.00 12.00 11.00 10.00 9.00 8.00 7.00 pH 6.00 5.00 4.00 3.00 2.00 1.00 0.00 4 12 16 20 24 28 32 36 40 44 48 52 56 60 Volume of Titrant (mL) The above titration curve was obtained when a 10.00 mL sample of a 0.50 M base was titrated with an acid. 4. What is the approximate molarity of the acid (the titrant) used?
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