7.2 - Strength of Acids and Bases: Strong vs. Weak
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Practice Questions
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Define a strong acid.
💡 Hint: Think about how readily it donates protons.
Give an example of a weak acid.
💡 Hint: Consider an acid used in cooking or food.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What defines a strong acid?
💡 Hint: Think about what happens when a strong acid is mixed with water.
True or False: A weak acid completely dissociates.
💡 Hint: Recall the key definition of weak acids.
2 more questions available
Challenge Problems
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If you have a 0.1 M solution of acetic acid, what is the expected pH? Assume Ka for acetic acid is 1.76 x 10^-5.
💡 Hint: Use quadratic approximation or neglect [H⁺] in the denominator if it’s small.
Calculate the Kb for ammonia if the pKb is 4.75.
💡 Hint: Remember that pKb is the logarithmic scale.
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