maggie43
maggie43
03-03-2017
Chemistry
contestada
A solution with pH of 9 has [OH-] concentration of
Respuesta :
TSO
TSO
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
VER TODAS LAS RESPUESTAS ( 27+ )
Otras preguntas
An arc subtends a central angle measuring 7pi/4 radians What fraction of the circumference is this arc?
why did some states believe they had the power to overturn federal laws?
why can't you mix the yolk from the inside of the shell of the eggs.
That anyone know ?how to do
nterior designers measure far more than fashion designers do. True or False
Question 1 (1 point) Five score years ago, a great American, in whose symbolic shadow we stand today, signed the Emancipation Proclamation. This momentous decre
When we conjugate a verb, we a. change the form of the infinitive b. make it agree with the subject c. indicate the verb tense d. all of the above
PLEASE HELP ASAP!!!!
find the solution of each of the following.
in 2001 Mexico imposed a 20% tax on all soft drinks not made from sugar cane high fractals corn sit-up which is made from corn, is often used in place of cane s
