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What Is the PH of a 0

Question 73

Multiple Choice

What is the pH of a 0.40 mol L^-1 H₂Se solution that has the stepwise dissociation constants K_a1 = 1.3 × 10^-4 and K_a2 = 1.0 × 10^-11?

A) 2.14
B) 3.89
C) 4.28
D) 5.57

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