Saturday
March 25, 2017

Post a New Question

Posted by on .

What is the pH of a 0.0250 M solution of HCN? Ka = 4.0x10^-10

  • Chemistry - ,

    HCN >< H+ CN-

    .250-x <> x+ x


    4E-10=x^2/(.250-x) appx x^2/.250

    [H+]= sqrt (4*.250E-10)

    = 1E-5

    pH= 5

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question