mathmaster6669 mathmaster6669
  • 20-04-2021
  • Chemistry
contestada

Se midió el pH de una muestra del agua de lluvia en la ciudad de México, y se obtuvo un valor de 3.5 Calcula la [H+] en dicha muestra.

Respuesta :

sebassandin
sebassandin sebassandin
  • 22-04-2021

Answer:

[tex][H^+]=3.16x10^{-4}M[/tex]

Explanation:

¡Hola!

En este caso, dado que el pH de una solución se entiende como el potencial de los iones hidrógeno en la misma, es posible recordar la ecuación que se usa para calcularlo:

[tex]pH=-log([H^+])[/tex]

De este modo, al conocer el pH, se resuelve para la concentración de iones hidrógeno como se muestra a continuación:

[tex][H^+]=10^{-pH}[/tex]

Así, reemplazamos el pH para obtener:

[tex][H^+]=10^{-3.5}=3.16x10^{-4}M[/tex]

¡Saludos!

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