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 ( 22+ )
Otras preguntas
Which type of white blood cells produces antibodies? A. B-cells B. T-cells C. microphages D. macrophages
is spelling a subject
Who is Jack London and what is he useful for? Where Does he live?
Who is Susan B.Anthony?
how do you simplify 15/32?
what is the percent of 1.6 hours to 0.95 hour
write two expressions where the solution is 41.
Which document is referred to as the “supreme law of the land”? US Constitution Bill of Rights Declaration of Independence First Amendment
five sixths plus one twelfths
A map distance of 5 inches represents 200 miles of actual distance. Suppose the distance between two cities on the map is 7 inches. What is the actual distance
