andiswanokuphiwa156 andiswanokuphiwa156
  • 01-11-2021
  • Chemistry
contestada

The value of ka for weak acid is to 4.0x10^-5 what is degree of dissociation of the acid in aqueous solution of concentration 0.010 mol dm^-3​

Respuesta :

jamal00ahmed jamal00ahmed
  • 01-11-2021

p

K

a

=

5.4

pH

=

3.7

Explanation:

p

K

a

is simply  

−

log

10

(

K

a

)

. It is a constant at any temperature and does not depend on the molarity of the solution.

p

K

a

=

−

log

10

(

K

a

)

=

−

log

10

(

4.0

×

10

−

6

)

=

5.4Explanation:

Answer Link
aangelbraavo08 aangelbraavo08
  • 01-11-2021
It is 5.4 I got the answer because of the guy on top
Answer Link

Otras preguntas

inequality 3x -6 ≤ -3
Which equipment is best to hold and to measure liquids?
3v / 3vs using positive exponents
What volume of a .130 M NH4I solution is required to react with 143 mL of a .640 MPBN032 solution
How did colonialism Impact and contribute India Present public health system
The perimeter of a piece of land is 9,700 square meters. What is the value of the exponent when this number is written in scientfic notation.
Suppose z varies directly with y and directly with the cube of x. If z=216 when x=2 and y=9 , what is z when x=7 and y=5 ?
Characterization analysis for teen killers club in a short paragraph so i can understand the book
What did the compromise of 1850 allow California to do select the two answers that are correct
storyline experience in going to school.