The Product of [H₃O⁺] and [OH^-] in Pure Water, at 25

Multiple Choice

The product of [H₃O⁺] and [OH^-] in pure water, at 25 °C, is ________.

A) zero
B) always greater than 1
C) 1.00 x 10^-7
D) 1.00 x 10^-14