nydeaaa
nydeaaa
01-05-2018
Chemistry
contestada
If the pH is 4.5, what is the pOH ?
Respuesta :
mkryukova19
mkryukova19
05-05-2018
pH+pOH=14
4.5+pOH=14
pOH=14-4.5
pOH = 9.5
We know that
[H⁺][OH⁻]=10⁻¹⁴,so
-log([H⁺][OH⁻])=-log10⁻¹⁴
-log [H⁺]+ (- log[OH⁻])= - log10⁻¹⁴,
- log[H⁺] = pH
- log[OH⁻] = pOH
- log10⁻¹⁴=-(-14)log10=14*1=14
pH + pOH =14
Answer Link
VER TODAS LAS RESPUESTAS ( 73+ )
Otras preguntas
2loga(3)+loga(5)=loga(x)
in a given training week a swimmer completes 1/4 mile on day one 2/5 mile on day two and 3/7 mile on day three,,
compare and contrast the various adaptations of aquatic and desert plants?
A force of 200 N is required to keep an object sliding at a constant speed of 2 m/s across a rough floor. How much power is being expended to maintain this moti
How much work does a mother do if she lifts each of her twin babies upward 1 meter? Each baby weighs 90 newtons.
Round 1.0649 to the nearest thousandth
An engineer in India (standard household voltage = 220 volts) is designing a transformer for use on her upcoming trip to Canada (standard household voltage = 12
Round 1.0649 to the nearest thousandth
Your grandmother in Ireland sends you her favorite cookie recipe. Her instructions say to bake the cookies at 190.5°C. To what Fahrenheit temperature would you
If a rock is sitting in the dirt, the normal force from the ground and BLANK are acting on it plz help
