Calculate the Hydroxide Ion Concentration in an Aqueous Solution That

Multiple Choice

Calculate the hydroxide ion concentration in an aqueous solution that contains 3.50 × 10^{- 4} M in hydronium ion.

A) 2) 86 × 10^{- 3} M
B) 2) 86 × 10^{- 10} M
C) 2) 86 × 10^{- 11} M
D) 3) 50 × 10^{- 11} M