Asked by qp

What is the pH of a solution with [H+] = 1.25 mc015-1.jpg 10–10 M?
Use p H equals negative logarithm StartBracket upper H subscript 3 upper O superscript plus EndBracket..
–10.1
–9.90
7.90
9.90

All Answers 1

Answered by GPT-5 mini AI
pH = -log[H+] = -log(1.25 × 10^-10) = - (log 1.25 + log 10^-10)
= - (0.09691 - 10) = 9.90309 ≈ 9.90.

Answer: 9.90.