Question

How does pH relate to `H^+`?

Answer 1

pH is the `-log[H^+]` where `[H^+]` is the concentration of protons (positively charged hydrogen).

If the pH is 2 and there is no `OH^-` whatsoever in solution for some odd reason, then `[H^+] = 10^-2` M `= 0.1 M`.