davidamagee99 davidamagee99
  • 11-07-2017
  • Chemistry
contestada

A solution of ammonia has a pH of 11.8. What is the concentration of OH– ions in the solution?

Respuesta :

dec77cat dec77cat
  • 11-07-2017
NH₃ + H₂O ⇄ NH₄⁺ + OH⁻

pOH=-lg[OH⁻]
pOH = 14-pH

14-pH = -lg[OH⁻]

[OH⁻]=10^(pH-14)

[OH⁻]=10^(11.8-14)=0.00631 = 6.31·10⁻³ mol/L
Answer Link

Otras preguntas

In the compound MgCl2, magnesium donates two electrons, one to each chlorine atom. Which type of compound is this, and is it likely to dissolve in a polar solve
What are the possible side effects of the lungs if it is damaged?
If you were a contestant on a reality "survival" show and were allowed to bring only one item with you, what would you bring and why? PLEASE HELP WITH THIS :)
what is the fastest vehicle in the world?
What’s 8 and 9 please help
Es donde recogemos las maletas. < el aeropuerto la sala de espera la pantalla la tarjeta de embarque el reclamo de equipaje el maletero
The Due Process Clause is part of which Amendment? O Fifth O Third O First O Fourth
how do you get the real life sharigan?
Does this table represent a function? Why or why not?
4. What health care program provides for active duty service members, retirees and their families? *