Write the expression of the base dissociation constant Kb.
Calculate the pH of a strong base solution.
Calculate the pH of a mixture of strong bases.
Calculate the pH of a weak base solution.
Calculate the percent dissociation of a base.
Watch the attached video recording titled “pH of Strong Bases” to understand how to calculate the pH of a strong base solution. Then answer the questions that follow.
2 points
2
Question 1
1.
Note: Pay attention to Stoichiometry.
Watch the attached video recording titled “pH of a Mixture of Strong Bases” to understand how to calculate the pH of a solution formed from mixing two or more strong bases. Then answer the questions that follow.
3 points
3
Question 2
2.
Calculate the pH of the solution formed from 0.0010 M, 10 ml of Ca(OH)2 and 0.020 M, 5 ml of RbOH.
Watch the attached video recording titled “pH of a Weak Base Solution and Percent Dissociation” to understand how to calculate the pH of a solution formed from a weak base and how to estimate the percent dissociation of the base. Then answer the questions that follow.
4 points
4
Question 3
3.
Answer question 3 here.
1 point
1
Question 4
4.
Calculate the percent dissociation of hydrazine.
0 points
0
Question 5
5.
Assess your level of confidence regarding your understanding of this task.
0 points
0
Question 6
6.
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