Question

cual es el ph de una muestra que tiene 5x10-13?

Answer 1

pH = -log [ 5 x 10 ⁻¹³]

pH = - log 5 + log 10⁻¹³

pH = - [ 0.69 + (-13)]

pH = - (0.69 - 13)

pH = -0.69 + 13

pH = 12,31

pOH + pH = 14

pOH = 14 - 12,31

pOH = 1.69