pH = -log|H₃O⁺|
pH = -log2.4*10⁻⁵ = -(log2.4+log10⁻⁵)=-(0.38-5)=-(-4.62)=4.62
The pH of a solution with a concentration of [ H 3 O + ] = 2.4 × 1 0 − 5 molar is approximately 4.62. This is calculated using the formula pH = − lo g [ H 3 O + ] .
;