If PK_a1 and PK_a2 for H₂S Are 6

question 44

Multiple Choice

If pK_a1 and pK_a2 for H₂S are 6.88 and 14.15,respectively,calculate the equilibrium constant for the reaction below: H₂S(aq) + 2H₂O(l) ↔ 2H₃O⁺(aq) + S^2-(aq)

• A)1.3 * 10^-7
• B)1.1 * 10^-7
• C)7.7 * 10^*8
• D)9.2 *10^-22
• E)7.1 * 10^-15

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