Dodykaz7755 Dodykaz7755
  • 27-03-2024
  • Mathematics
contestada

You wish to prepare a buffer containing ch3cooh with a ph of 4.24. if the pka of acetic acid is 4.74, what ratio of [ch3coo-]/[ch3cooh] must you use?
A. 0.32
B. 0.50
C. 0.10
D. 2.0
E. 2.8

Respuesta :

Otras preguntas

How much water, in liters, must be added to 0.5 L of 6 M HCl to make it 2 M? a. 0.33 b. 0.5 c. 1 d. 1.5 e. 2
a homozygous dominant brown mouse is crossed with a heterozygous mouse tan is the recessive color
If A+ B = 76 A-b = 38 A ÷ B =?
Which population has the highest fitness at 25°C ? (A) The population evolved at 25°C. (B) The population evolved at 30°C. (C) The population evolved at 35°C
if all sides of a cube are multiplied by 6, by what factor does the volume increase?
Which bond is most polar? A) N -H B) C -H C) O -H D) H -H Can anyone explain this one?
Albino giraffes have white hair. there are very few albino giraffes in the wild. why are there few albino giraffes in the wild?
A building measuring 90m by60m is to be built. A paved area of uniform will surround the building. The area is to have an are of 9000 metres squared. How wide
Factor the expression. x2 - 22x + 40
a baseball team played 35 games and won 4\5 of them how many games were lost