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 would you say is the principle means of characterization employed by the author
Which line from the poem The Lake of the Dismal Swamp by Thomas Moore is the best example of Alliteration?
how do I find the volume of a sphere?
A person will understand the compressed language of a poem better if she brings her knowledge of areas such as history and mythology to that poem. a. True b. F
is a philosophy, not a religion A. Hinduism B. Judaism C. Buddhism D. Islam E. Confucianism
Which of the following best describes the function of nerves? a. They send information around to different cells of the body. b. They connect the brain to the
Select all that apply. Plants and animals are both _____. eukaryotes multicellular motile heterotrophs
In emphasizing the importance of individual thinking and basing one's beliefs on one's own experiences, Sojourner shows she has much in common with A. Chief Pon
Esteban has a big jar of change in his room. He has 600 coins total, and 240 of them are pennies. What percentage of the coins are pennies?
what two things are needed for cellular respiration.