Answer :
Answer:
7.4.
Explanation:
∵ pH = -log[H₃O⁺].
∴ pH = -log(2.5 x 10⁻⁷) = 6.6.
∵ pH + pOH = 14.
∴ pOH = 14.0 - pH = 14.0 - 6.6 = 7.4.
Answer:
7.4.
Explanation:
∵ pH = -log[H₃O⁺].
∴ pH = -log(2.5 x 10⁻⁷) = 6.6.
∵ pH + pOH = 14.
∴ pOH = 14.0 - pH = 14.0 - 6.6 = 7.4.