Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Enroll to start learning
Youβve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens when a weak base like ammonia is added to water?
π‘ Hint: Remember the equilibrium state of weak bases.
Question 2
Easy
What is the formula to calculate Kb for a weak base?
π‘ Hint: Consider the products and reactant concentrations.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does Kb represent in weak bases?
π‘ Hint: Focus on the definition of Kb.
Question 2
True or False: Weak bases fully ionize in solution.
π‘ Hint: Think about how weak bases behave in water.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
Given a weak base with Kb = 1.0 Γ 10^-7 and an initial concentration of 0.1 M, calculate Ξ± and Kb.
π‘ Hint: Use simplifications based on the small value of Kb.
Question 2
In a scenario with a weak base dissolved at a concentration of 0.05 M in water, how would adding a common ion affect Kb?
π‘ Hint: Think about Le Chatelier's Principle when ions are added.
Challenge and get performance evaluation