The Sulfide Ion, S^2-, Reacts with Water as a Weak $\leftrightarrows$

question 45

Multiple Choice

The sulfide ion, S^2-, reacts with water as a weak base:
S^2- + H₂O $\leftrightarrows$ SH^- + OH^- K = 1.0
If sodium sulfide were dissolved in water to make a solution of 0.50 M, what would be the resulting concentration of OH^-?

• A) 0.50 M
• B) 0.37 M
• C) 0.63 M
• D) 1.0 M
• E) 0.19 M

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