What is the pOH of a 0.0020 M HNO₃ solution? A) 0.0020 B) 0.0040 C) 2.70 D) 11.30

Name: What is the pOH of a 0.0020 M HNO 3 solution? A) 0.0020 B) 0.0040 C) 2.70 D) 11.30
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Quizplus · Accepted Answer

HNO3 is a strong acid, so it dissociates completely. The concentration of H+ ions is 0.0020 M, which means the pH is -log(0.0020) = 2.70. Since pH + pOH = 14, the pOH is 14 - 2.70 = 11.30.

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