3. 100 ml of 1 M acetic acid (pKa 4.76) are placed is a flask. The following vol

Question

3. 100 ml of 1 M acetic acid (pKa 4.76) are placed is a flask. The following volumes of 1 M KOH are added, and the total volume is adjusted to one liter with water.

  a) 0 ml, pH = 2.88                    d) 25 ml                       g) 90 ml                       j) 101 ml

b) 2 ml (answer 3.07)               e) 50 ml                       h) 98 ml

c) 10 ml                                    f) 75 ml                        i) 100 ml, pH = 8.88

QUESTION: Calculate the pH of solutions (b) through (h) and (j).

[The answers are given for (a), (b) and (i). You should verify that you can get the correct answer for (b). (a) and (i) cannot be done with the Henderson-Hasselbalch equation, but you already learned how to do them in General Chem, and you can verify these answers if you remember how. You won't be required to do calculations of this type in this course.]

Explanation / Answer

Hi,

To solve this question we will use the Henderson

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