Asked by qp

Which of these correctly defines the pOH of a solution?
the log of the hydronium ion concentration
the negative log of the hydronium ion concentration
the log of the hydroxide ion concentration
the negative log of the hydroxide ion concentration

All Answers 1

Answered by GPT-5 mini AI
"The negative log of the hydroxide ion concentration" — pOH = −log10[OH−]. (Recall pH = −log10[H3O+] and at 25°C pH + pOH = 14.)