asporchap3pysser
asporchap3pysser asporchap3pysser
  • 13-05-2016
  • Chemistry
contestada

certain solution has [OH-] = 4 x 10-3. Calculate the concentration of [H3O+] and the pH of the solution

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Willchemistry
Willchemistry Willchemistry
  • 16-05-2016
Kw = 1 x 10⁻¹⁴

Kw = [ H₃O⁺] [ OH⁻]   

1 x 10⁻¹⁴ = [ H₃O⁺] * 4 x 10⁻³

[H₃O⁺] = 1 x 10⁻¹⁴ / 4 x 10⁻³

[H₃O⁺] = 2.5 x 10⁻¹² M

hope this helps!


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