stevenkhaauhs9479 stevenkhaauhs9479

20-04-2019
Chemistry

contestada

A solution has a pH of 2.5. What is its [OH-] ?

3.2 x 10-3

3.2 x 10-12

3.2 x 10-2

11.5

Respuesta :

mereiland mereiland

20-04-2019

pH + pOH = 14

pH = 2.5 then pOH = 11.5

[OH-] = 10^(-pOH) =10^(-11.5)

= 3.2 x 10^(-12)

Answer Link

Otras preguntas

PLEASE HELP! Describe what you know about enzymes that explains your evidence and your claim.Use the words: pH, substrate, product, active site, 3D shape, denat

Is the answer correct yes or no .If it correct write it correct if it wrongs write the correct answer.

If u were originally making 5 batches of just one kind of cookie. What would the opportunity cost be if you decided to make 2 batches of the other kind

I will give brainiest to whoever answers correctly !!

Imagine that a large earthquake hits North America. The earthquake’s epicenter is exactly on the border between the United States and Canada between Seattle and

Assuming no friction, how does the initial gravitational potential energy of the marble on a downward slope compare to the final kinetic energy? a) they are the

How many gallons of a 50% antifreeze solution must be mixed with 80 gallons of 30% antifreeze to get a mixture that is 40% antifreeze? Use the six-step met

how does the author's use of metaphor and diction advance his viewpoint about the importance of attending to the environment?

Solve the following equation. -12d - 6 = -2(d + 3) - 10d

What is the working principle of an electric motor? a) Electromagnetic induction. b) An electric current flowing through a matallic wire produces magnetic field