Chemistry 12 Worksheet 4-3 - Ph And Poh Calculations
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2Chemistry 12
Worksheet 4-3—pH and pOH Calculations
Chemistry 12
Worksheet 4-3
pH and pOH Calculations
Name ________________________
36
Due Date _____________________
Correct and Hand In by ________________
1. Find the pH of the following solutions. Make sure you express your answer in the correct
number of significant digits. (12 marks)
-3
a) 0.0010 M HClO
…..__________ b) 2.35 x 10
M KOH …___________
4
-5
c) 4.678 x 10
M HNO
.._________ d) 12.0 M HCl ...............…__________
3
+
e) 0.20 M Ba(OH)
.....___________ f) 4.30 M H
O
...........…...__________
2
3
+
2. Find the [H
O
] in 0.00256 M HBr. (1 mark)
3
Answer ________________
+
3. Find the [H
O
] in 0.80 M LiOH. (2 marks)
3
Answer ________________
+
4. Find the [H
O
] in a solution with a pH = 3.216 (1 mark)
3
Answer ________________
+
5. Find the [H
O
] in 0.45 M BaO (2 marks)
3
Answer ________________
-
6. Find the [OH
] in 0.150 M HClO
(2 marks)
4
20
Answer ________________
Chemistry 12-Worksheet 4-3—pH and pOH Calculations
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