Calculate the pH for an aqueous solution of pyridine that contains 2.15 × 10^-4 M hydroxide ion. A)4.65 × 10^-11 B)2.15 × 10^-4 C)3.67 D)10.33

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Quizplus · Accepted Answer

The pH of a solution can be calculated using the formula pH = 14 - pOH, where pOH is the negative logarithm of the hydroxide ion concentration. Given a hydroxide ion concentration of 2.15 × 10^-4 M, the pOH is -log(2.15 × 10^-4) = 3.67. Therefore, the pH = 14 - 3.67 = 10.33.

Calculate the PH for an Aqueous Solution of Pyridine That