AParham001 AParham001
  • 19-11-2019
  • Chemistry
contestada

pH is 7.45. Calculate value of [H3O+] and [OH-]

Respuesta :

magalieisik magalieisik
  • 22-11-2019

Answer:

The answer is (H30+) =3,55e-8M and (OH-)=2,82e-7M

Explanation:

We use the formulas:

pH= - log(H30+)  and Kwater=(H30+)x(OH-)

pH= - log(H30+)  ----< (H30+)= antilog- pH=antilog- 7,45=3,55E-8M

Kwater=(H30+)x(OH-)

(OH-)=Kwater/(H30+)= 1,00e-14/3,55e-8 = 2,82e-7

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