Calculate the ph of a 0.10 m solution of hypochlorous acid, hocl. ka of hocl is 3.5ã10â8 at 25 âc. express your answer numerically using two decimal places.

we know that: Ka = [H+][OCl-] /[HOCl] and HOCl dissociates into equal number of ions H+ = OCl- We substitute [OCl-] for [H+} Hence Ka = [H+][H+] /{HOCl] Ka = [H+]^2 / [HOCl] [H+]^2 = Ka X [HOCl] [H+] = sqrt{Ka X [HOCl]} [H+] = sqrt{ 3.5 x 10^-8 x 0.10} [H+] = sqrt[ 3.5 x 10^-9 [H+] = 5.916 x 10^-5 you know: pH = -log(10) [H+] pH = -log(10) 5.916 x 10^-5 pH = -(-4.227965) pH = 4.227965 pH = 4.23 .

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later