What Is the PH of a 0

question 58

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 x10^-11 ?

• A) 2. 14
• B) 3.89
• C) 4. 28
• D) 5. 57

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