Question

The pH of a solution is 2.60. What is the [H3O+] for the solution?

Answer 1

`\boxed{2.5* 10^(-3)\text{ mol/L}}`

Step-by-step explanation:

pH = -log[H₃O⁺]

H₃O⁺ = 10^(-pH) = 10^(-2.60) mol/L = 2.5× 10⁻³ mol/L