Emts ou (2)f (3) tants T 10. A 30.00 mL sample of 9.00 x 10 Macetic acid (CH3COOH) was added to 70.00 mL of distilled water. The mixture was titrated with a NaOH solution of un- known concentration. The following data were re- corded during the titration. 20.T (4) MGLE: volume of pH of NaOH solution reaction mixture pH of volume of NaOH solution reaction ni added, mLn mixture ai added, mLWmixture mha6.17 (5) action (A 0.00 26.00 3.16 8.54 27.00 4.11 5.00 nos 10.89 28.00 4.53 10.00 30.00 4.85 32.00 11.45 15.00 11.58 5.20 20.00 3L aVErt at 5.85 25.00 moi peleolbni emioy (1) Which measurement should be plotted on the abscissa? Briefly explain. alomsa (2) Prepare a graph using the data. (3) Explain the significance of the large change in pH between the addition of 26.00 and 28.00 mL of NaOH solution. SD

Question
Emts ou
(2)f
(3)
tants T
10. A 30.00 mL sample of 9.00 x 10 Macetic acid
(CH3COOH) was added to 70.00 mL of distilled water.
The mixture was titrated with a NaOH solution of un-
known concentration. The following data were re-
corded during the titration.
20.T
(4)
MGLE:
volume of pH of
NaOH solution reaction
mixture
pH of
volume of
NaOH solution reaction
ni added, mLn mixture ai added, mLWmixture
mha6.17
(5)
action (A
0.00
26.00
3.16
8.54
27.00
4.11
5.00
nos
10.89
28.00
4.53
10.00
30.00
4.85 32.00
11.45
15.00
11.58
5.20
20.00
3L
aVErt at
5.85
25.00
moi peleolbni emioy
(1) Which measurement should be plotted on
the abscissa? Briefly explain.
alomsa
(2) Prepare a graph using the data.
(3) Explain the significance of the large change
in pH between the addition of 26.00 and 28.00 mL of
NaOH solution.
SD

Image Transcription

Emts ou (2)f (3) tants T 10. A 30.00 mL sample of 9.00 x 10 Macetic acid (CH3COOH) was added to 70.00 mL of distilled water. The mixture was titrated with a NaOH solution of un- known concentration. The following data were re- corded during the titration. 20.T (4) MGLE: volume of pH of NaOH solution reaction mixture pH of volume of NaOH solution reaction ni added, mLn mixture ai added, mLWmixture mha6.17 (5) action (A 0.00 26.00 3.16 8.54 27.00 4.11 5.00 nos 10.89 28.00 4.53 10.00 30.00 4.85 32.00 11.45 15.00 11.58 5.20 20.00 3L aVErt at 5.85 25.00 moi peleolbni emioy (1) Which measurement should be plotted on the abscissa? Briefly explain. alomsa (2) Prepare a graph using the data. (3) Explain the significance of the large change in pH between the addition of 26.00 and 28.00 mL of NaOH solution. SD

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Quantitative analysis

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