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

The altitude of a helicopter increase is 1000 feet every four minutes. What is the unit rate of change (feet per minute) of the altitude?

Which homeostatic process is characterized by the diffusion of only water molecules?active transportosmosispassive transportdynamic equilibrium

A triangle has two sides of length 2 and 15. What compound inequality describes the possible lengths for the third side, X?

what ecology have a direct effect on? A. politics B.economy C. culture D. animals

Read this excerpt from Through the Looking-Glass by Lewis Carroll. “I'd rather not try, please!” said Alice. “I'm quite content to stay here—only I AM so hot an

An object on a number line moved from x = 15 cm to x = 165 cm and then moved back to x = 25 cm, all in a time of 100 seconds. What was the average speed of the

Help me pleaseeeeeeeeeeeee

what are the strengths in the bonds of potassium bromide

Why didn't FDR offer support to African Americans in his New Deal programs

Which topic would be too BROAD for an essay?