Multiple Choice
You have an analyte solution of 50 mL of 0.2 M acetic acid (pKa = 4.8). What volume of 0.05 M NaOH titrant needs to be added to get the final pH = pKa?
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2. Water
Titration
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Which of the following titration curves expresses the titration of a weak acid with a strong base?
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Identify the characteristics of a titration curve for a weak acid with a strong base. Typically, the curve starts at a pH below 7, gradually increases, and then shows a sharp rise at the equivalence point, followed by a leveling off at a higher pH.
Examine the first image: The curve starts at a high pH and decreases, which is characteristic of a strong base being titrated with a strong acid.
Examine the second image: The curve starts at a high pH and decreases sharply, indicating a strong base being titrated with a strong acid.
Examine the third image: The curve starts at a low pH and increases sharply, which is characteristic of a strong acid being titrated with a strong base.
Examine the fourth image: The curve starts at a low pH, gradually increases, and then shows a sharp rise, which is characteristic of a weak acid being titrated with a strong base.
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