B0eemccaxIsjame B0eemccaxIsjame

03-03-2017
Chemistry

contestada

What is the [oh−] of a solution if its ph = 8.78? answer in units of m?

Respuesta :

10-03-2017

pH = -log([H+])
[H+] = 10^(-pH)

[H+] = 10^(-8.78) = 1.65*10^-9

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

[OH-] = Kw/[H+] = (1.0*10^-14)/(1.65*10^-9) = 6.06*10^-6

The concentration of OH- ions is 6.1*10^-6 M.

Answer Link

Otras preguntas

how many different ways can 5 students stand in a row

An ATM machine offers the customer cash withdrawal in multiples of $10. The minimum withdrawal is $10 and the maximum is $100. List the dollar amounts of cash t

Helpppppppppp please

Help!! This is urgent. I don’t get this If M^6+3/Y and M^5=Y^2/6 then which of the following expresses M in terms of Y? A) 18/Y^3 B) Y^3/18 C) Y/2 D) 2/Y

How did the American and French Revolution influence 19th century revolution in Latin America?

In the hierarchy of scientific thought, a hypothesis: A. Comes right before law B.has the most certainty C. is the least certain D. None of the above

The cube below has sides of length 4 feet. If a cylindrical section of radius 2 feet is removed from the solid, what is the total remaining volume of the cube?

During resistance training how often should you move

Is (0,0) a solution to this system?

The agency responsible for regulating the money supply in the united states is