Calculate the pH of a 0.14 M HNO₂ solution that is 5.7% ionized. A) 0.85 B) 1.70 C) 2.10 D) 11.90 E) 13.10

Name: Calculate the pH of a 0.14 M HNO 2 solution that is 5.7% ionized. A) 0.85 B) 1.70 C) 2.10 D) 11.90 E) 13.10
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Quizplus · Accepted Answer

To find the pH, first calculate the concentration of H⁺ ions: 0.14 M * 0.057 = 0.00798 M. Then, use the formula pH = -log[H⁺]: pH = -log(0.00798) ≈ 2.10.

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