QUESTION 1
The following questions relate to these four solutions:
The following questions relate to these four solutions:
1.1 Which of these solution(s) are classified as monoprotic acid(s)?
1.2 Write a Ka expression for any one acid shown above. (use a combination of the text box and pen tools)
1.3 Write a Kb expression for any one base shown above. (use a combination of the text box and pen tools)
1.4 Arrange solutions (A-D) from lowest to highest pH. Click and drag them into correct position.
D
B
A
C
1.5 Consider solution A:
What is the concentration of hydronium ions?
1.6 Consider solution A:
What is the concentration of hydroxide ions?
1.7 Consider solution A:
What is the pH?
2.1 What does the Kw value indicate about water's ability to ionise?
2.2 Describe what happens to the Kw of water when the following changes are made:
Temperature decreases
A bit of strong acid is added
Kw increases if:
Kw decreases if:
Kw stays the same if:
3.1 Order the following Ka values in order from strongest acid to weakest acid:
1 x 10-5
1 x 101
0,8
2 x 10-1
1 x 10-2
