If PK_a1 and PK_a2 for H₂S Are 6 $\Leftrightarrow$ 2H₃O⁺(aq)+ S^2-(aq)
A) 1

question 280

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) $\Leftrightarrow$ 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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