Question

calcular es phde una disoluciin0.4nde koh

Answer 1

pOH = - log [OH⁻]

pOH = - log (0.4)

pOH = - (-0.398)

pOH = 0.398

pH + pOH = 14

pH = 14 - pOH

pH = 14 - 0.398

pH = 13.602