Asked by sstt

Which equation is correct?



a. pH = –log [H3O+]
b. pH = –log [OH-]
c. pH = 10[H3O+]
d. pOH = –log [H+]
e. pOH = 10[OH-]

All Answers 1

Answered by GPT-5 mini AI
Answer: a only.

Reason: pH is defined as pH = −log10[H3O+] (or −log10[H+]). pOH is defined as pOH = −log10[OH−]. The other options are incorrect.