Question

$O{H}^{-}$ ion concentration is pure water at ${25}^{\circ }C$ is:

• A. ${10}^{-14}M$
• B. ${10}^{-7}M$
• C. $7.0M$
• D. zero

Answer 1

Answer: (B)

Correct answer is (b) ${10}^{-7}M$