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 ( 68+ )
Otras preguntas
the shape of the top surface of a table is a trapezium find its area if its paralel sides are 1m and 1.2m and perpendicular distance between?
Look at the diagram. It shows the main components in blood. Which component transports the soluble products of digestion from the small intestine to the rest of
A country produces two goods, gadgets and widgets. Last year the country produced 15,000 gadgets and 12,000 widgets. This year it produced 17,500 gadgets and 12
How do solve this -16.29 ÷ 3.62?
show me the solving of 4 tan theta =5/8 find cos theta and sin theta 0°
two charged objects, 2 meters apart, have an electric force of 3N between them. The objects are then brought closer together so that they are only separated by
What new policies and programs did FDR introduce to improve the economy?
Lymphadenitis affect on body systems
Which is an example of an automated process? a) when sentiment analysis tells you what customers think of a new service b) when a data analyst uses data mining
A snow cone vendor on the Virginia Beach boardwalk has several costs of doing business. She pays salaries of $2,100 per month and other fixed costs, such as uti
