An aqueous solution has a hydrogen concentration [H+] of 2.85 × 10-1. Find the concentration of hydroxl ions [OH-] in the solution.
A. 3.51 × 10-14 mol/L OH-
B. 3.51 × 1014 mol/L OH-
C. 3.51 × 10-13 mol/L OH-
D. 2.85 × 10-14 mol/L OH-
Answer: A
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