## Chemistry: Molecular Approach (4th Edition)

pH is defined as the negative of the log (base 10) of the hydronium ion concentration: $$pH = -log[H_3O^+] = -log[H^+]$$ Acidic solution: $pH \lt 7$ Neutral solution: $pH = 7$ Basic solution: $pH \gt 7$
pH is defined as the negative of the log (base 10) of the hydronium ion concentration: $$pH = -log[H_3O^+] = -log[H^+]$$ Acidic solution: $pH \lt 7$ Neutral solution: $pH = 7$ Basic solution: $pH \gt 7$