Given the following titration curve answer questions 3 ? 5. The above titration

Question

Given the following titration curve answer questions 3 ? 5. The above titration curve was obtained when a 10.00 mL sample of a 0.45 M base was titrated with an acid. What is the approximate molarity of the acid (the titrant) used? (Assume a 1:1 molar ratio of acid: base.) What is the value of the Kb for the base? (Hint: see p. 603 Section 15.8 of Tro.) 6.The above titration curve represents: A.a strong base titrated with a strong acid C. a strong base titrated with a weak acid a weak base titrated with a strong acid D. a weak base titrated with a weak acid

Explanation / Answer

4.

10 mL of 0.45 M weak (see start pH) base was titrated with 21 mL (see graph) X M strong acid (see final pH).

0.010 L

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