What is the pH of a 1.00 molar solution of NaNO₂(aq)? The K_a for HNO₂ is 7.0 × 10^-4.

Name: What is the pH of a 1.00 molar solution of NaNO 2 (aq)? The K a for HNO 2 is 7.0 × 10 -4 .
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NaNO₂ is a salt of a weak acid (HNO₂) and a strong base (NaOH). In solution, NO₂⁻ acts as a weak base. The Kb can be calculated using Kw/Ka = Kb. The pH is then determined using the concentration of OH⁻ ions, leading to a pH of approximately 8.58.

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