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 ( 83+ )
Otras preguntas
You have a piece of wood that is 7 3/4 feet long. You want to cut one piece that is 3 7/12 feet long and one piece that is 4 1/12 feet long. Do you have enou
Proof: Given: Isosceles trapezoid TRAP with TR=PA Prove: Angle RTA = angle APR
i need with math it say the ride-it store rents bicycles. the cost is $8.50 for 1 hour, $13.64 for 2 hours, $18.80 for 3 hours, and 23.95 for 4 hours. if the pa
i need with math it say the ride-it store rents bicycles. the cost is $8.50 for 1 hour, $13.64 for 2 hours, $18.80 for 3 hours, and 23.95 for 4 hours. if the pa
You have a piece of wood that is 7 3/4 feet long. You want to cut one piece that is 3 7/12 feet long and one piece that is 4 1/12 feet long. Do you have enou
i need with math it say the ride-it store rents bicycles. the cost is $8.50 for 1 hour, $13.64 for 2 hours, $18.80 for 3 hours, and 23.95 for 4 hours. if the pa
Proof: Given: Isosceles trapezoid TRAP with TR=PA Prove: Angle RTA = angle APR
You have a piece of wood that is 7 3/4 feet long. You want to cut one piece that is 3 7/12 feet long and one piece that is 4 1/12 feet long. Do you have enou
Proof: Given: Isosceles trapezoid TRAP with TR=PA Prove: Angle RTA = angle APR
You have a piece of wood that is 7 3/4 feet long. You want to cut one piece that is 3 7/12 feet long and one piece that is 4 1/12 feet long. Do you have enou
