Question

What is the pH of an aqueous solution with a hydrogen ion concentration of [H+]=5.5×10−8 M? pH=

Answer 1

Answer:

$p^H = -log[H^+]$

$p^H = -log[5.5 * 10^{-8}]$

$p^H = -log[5.5] \ - log (10^{-8})$

$p^H = -log[5.5] + 8$

$p^H = 8 \ - 0.7404$

$p^H = 7.2596$