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 ( 86+ )
Otras preguntas
Please answer the question Shawn rode his bike 3 miles to the library. He rode 4 miles to his friend’s house. Then, he rode 5 miles home. How many miles in all
The expression -310 + 15m represents a submarine that began at a depth of 310 feet below sea level and ascended at a rate of 15 feet per minute. What was the de
solve the following questions and check your results 3) t = 3/4 (+-2)
Does the following graph represent a function, Yes or No
If Anna's test grades are 66, 90, and 99, what is her test average?
I need help with my math, please help
NEEDED ASAP!! please answer :)
Classify the real number. List all the subsets in which the number belongs
Ecuaciones 6x+18=0 respuesta
what is the axis of symmetry of the graph of function f(X) = X2 - 10X +16
