Titration curves pre-lesson check
Authored by Tan Kai Ying
Chemistry
11th - 12th Grade
Used 15+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A solution of CH3COONa is
acidic
neutral
basic
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A solution of NH4Cl is
acidic
neutral
basic
3.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Calculate the pH of 0.125 mol dm-3 solution of CH3CH2COONa, given that Ka of CH3CH2COOH is 1.35x10-5.
Leave your answer to 3 sf.
(a)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following pairs of substances will form a buffer solution?
HCl and NaCl
CH3COOH and NH3
NaOH and NaCl
NH3 and (NH4)2SO4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following solutions has the greatest buffering capacity?
1 dm3 solution containing 1.0 mol CH3COOH and 1.0 mol CH3COONa.
1 dm3 solution containing 0.5 mol CH3COOH and 0.5 mol CH3COONa.
1 dm3 solution containing 0.3 mol CH3COOH and 0.7 mol CH3COONa.
1 dm3 solution containing 0.7 mol CH3COOH and 0.3 mol CH3COONa.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
There are buffering regions found in all titration curves.
True
False
7.
DRAW QUESTION
3 mins • Ungraded
Sketch on the axes below the titration curve when 40 cm3 0.5 mol dm-3 NaOH is added to 20 cm3 0.5 mol dm-3 CH3COOH.
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