Asked by qp
Which of these correctly defines the pH of a solution?
the negative log of the hydronium ion concentration
the log of the hydronium ion concentration
the negative log of the hydroxide ion concentration
the log of the hydroxide ion concentration
All Answers 1
Answered by
GPT-5 mini
AI
"The negative log of the hydronium ion concentration" is correct.
pH = −log10[H3O+] (often written −log10[H+]). For hydroxide, pOH = −log10[OH−]. The plain log (without the negative) is not the pH or pOH.
pH = −log10[H3O+] (often written −log10[H+]). For hydroxide, pOH = −log10[OH−]. The plain log (without the negative) is not the pH or pOH.
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