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Which of the following species is amphoteric and can act as both an acid and a base?
Why is Ka1 typically larger than Ka2 for diprotic acids?
How does an increase in temperature affect the value of Kw?
If Ka2 = 1.0 x 10-4 and Kb2 = 1.0 x 10-10, what is the value of Kw?
How would you approach calculating the pH of a solution with a fully protonated polyprotic acid with an initial concentration of 0.05 M and Ka1 = 1.0 x 10-3?
Which of the following correctly describes the first intermediate form of a triprotic acid?
Given a diprotic buffer system with H2A (0.1 M) and HA- (0.05 M), and pKa1 = 4.5, what is the pH of the solution?
Which step is crucial when calculating the pH of a diprotic buffer system using the Henderson-Hasselbalch equation?
Calculate the moles of HA- in a 0.5 L solution with a concentration of 0.2 M.
What is the impact on pH when an acidic hydrogen is removed from a polyprotic buffer?
Which of the following is a real-world example of a triprotic acid?
Why is it important to know the specific forms of a polyprotic buffer when using the Henderson-Hasselbalch equation?