Which statement is true regarding Kw?
a. Kw = 1/[H₃O⁺][|OH⁻]
b. The value of Kw is temperature dependent. Kw = More than one of these statements is true.
c. More than one of these statements is true.
d. Kw = [H₃O⁺][|OH⁻]/[H₂O]²
e. According to the Kw expression, the concentration of hydronium ion and hydroxide ion in a given solution are directly proportional.