Practice - Weak Acids
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Practice Questions
Test your understanding with targeted questions
Define a weak acid.
💡 Hint: Think about how weak acids behave compared to strong acids.
What is Ka?
💡 Hint: Remember, larger Ka means a stronger acid.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is true about weak acids?
💡 Hint: Recall the definition of weak acids.
Ka represents what in relation to weak acids?
💡 Hint: Remember the relationship between Ka and acid strength.
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Challenge Problems
Push your limits with advanced challenges
A weak acid (HA) is 0.2 M with a Ka of 3.6 × 10⁻⁵. What is the pH of this solution?
💡 Hint: Solve for x using the quadratic approximation and then calculate pH.
If a weak acid’s percent ionization is 4% at a concentration of 0.1 M, what is the Ka?
💡 Hint: Remember the equation for percent ionization.
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