Post-UTME Chemistry 2008 Objective — Question 4
Question 4 of 16 from the Post-UTME Screening (Post-UTME) Chemistry 2008 Objective paper, with the correct answer and a full explanation.
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The pOH of a solution is 12.23; calculate the hydrogen ion concentration of the solution.
- A. 1.52 x 10^-2
- B. 1.69 x 10^-2Correct
- C. 1.74 x 10^-2
- D. 1.87 x 10^-2
Explanation
pH = 14-12.23 = 1.77. [H+] = 10^-1.77 = 1.7x10^-2 mol/dm^3.
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