maggie43 maggie43

03-03-2017
Chemistry

contestada

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

Respuesta :

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

Which man was considered to be “the leader of Modernism” beginning in the 1920s? A. Shakespeare B. F. Scott Fitzgerald C. T.S. Eliot D. Henry David Thoreau

Nixon served as all of the following EXCEPT: a. vice president b. president c. secretary of state d. senator

From which city was the Lewis and Clark Expedition launched?

After testing positive for an STI, it is important to contact all past sexual partners so they can also be tested. Please select the best answer from the choice

Which political party did William H. Taft represent in the 1912 presidential election? Congressional Government Party Progressive Party Democratic Party Rep

All of the following are important roles of the skeletal system except A. organ protection B. movement C. storing minerals D. regulating body temperature

Please answer the question from the attachment.

Is the following an example of a simile, metaphor, paradox, or personification? The rumbling storm sounded like a freight train headed our way. A. simile B. m

Which writer is a part of the Jewish American Literary Renaissance?

What is a differential equation