Question- If an aqueous solution has a hydronium ion concentration ([H3O+]) of 5.10 x 10-9 mol/L, what is the hydroxide ion concentration ([OH-]) in the solution?
A. 4.13 x 10-10 mol/L
B. 7.17 x 10-8 mol/L
C. 1.96 x 10-6 mol/L
D. 3.81 x 10-5 mol/L
E. 5.22 x 10-3 mol/L
Please explain why you chose your answer!