maggie43
maggie43 maggie43
  • 03-03-2017
  • Chemistry
contestada

A solution with pH of 9 has [OH-] concentration of

Respuesta :

TSO
TSO TSO
  • 10-03-2017
pH = -log([H+])
[H+] = 10^(-pH)

[H+] = 10^(-9)

[H+][OH-] = Kw
Kw = 1.0*10^-14 at 25 degrees celsius.

[OH-] = Kw/[H+] = (1.0*10^-14)/(1*10^-9) = 1.0*10^-5

The concentration of OH- ions is 1.0*10^-5 M.
Answer Link

Otras preguntas

What does justify mean
Evaluate 42 ÷ (5 − 3). 2 8 16 32
How many elements are on the Periodic Table?
Plz help me!!! On number 6
Could anyone tell me the answer?
a students body temperature is 98. 6 degrees Fahrenheit. what is the temperature on the Celsius scale
Which political party had the slogan, ”Free Soil, Free Speech, Free Labor and Free Men”
What was the first target of the HUAC hearings?
Which type of visual would be best for sharing the results of a survey A. A pie chart B. A photograph C. A podcast D. A labeled diagram
In the old west, a cowboy would put their ear on the railroad track to determine if a train was coming. Using this method, they could tell if the train was co