Hydrogen Sulfide Will React with Water as Shown in the Following

question 35

Multiple Choice

Hydrogen sulfide will react with water as shown in the following reactions. H₂S(g) + H₂O(l) ⇄ H₃O⁺(aq) + HS⁻(aq) K₁ = 1.0 × 10⁻⁷
HS⁻(aq) + H₂O(l) ⇄ H₃O⁺(aq) + S²⁻(aq) K₂ = ?
H₂S(g) + 2H₂O(l) ⇄ 2H₃O⁺(aq) + S²⁻(aq) K₃ = 1.3 × 10⁻²⁰
What is the value of K₂?

• A)1.3 × 10 ⁻²⁷
• B)2.3 × 10 ⁻⁷
• C)1.3 × 10 ⁻¹³
• D)7.7 × 10 ¹²
• E)7.7 × 10 ²⁶

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Definitions:

Clean Water Act

United States federal law aimed at reducing pollution and protecting the quality of the nation's waters.

Discharge Permit

Authorization granted by a regulatory body allowing the release of certain pollutants into the environment under specified conditions.

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A term used, especially in environmental regulations, to refer to the most advanced and effective methods and equipment for controlling pollution.

Federal Water Pollution Control Act

A key piece of environmental legislation in the United States aimed at reducing and regulating water pollution.