Determine the Acid Dissociation Constant for a 0

question 17

Multiple Choice

Determine the acid dissociation constant for a 0.010 M nitrous acid solution that has a pH of 2.70.Nitrous acid is a weak monoprotic acid and the equilibrium equation of interest is HNO₂(aq) + H₂O(l) ⇌ H₃O⁺(aq) + NO₂^-(aq) .

• A)8.0 × 10^-3
• B)2.0 × 10^-3
• C)5.0 × 10^-4
• D)4.0 × 10^-4

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