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

What European nation colonized large parts of both north and south america
Vertex of f(x)=x^2+12x+8
Help ASAP!!! With both of the blanks and please tell me how you did it!!!
Hydrogen bonds can form between regions of polar molecules that are a) nonpolar. c) negatively charged. b) uncharged (neutral). d) oppositely charged.
what is a requirement for the Safety Data Sheet
help plz solve 2y-3=4y+6 y=
Hey guys plz help I really need it
3. Why is it important to keep a microscope covered when you’re not using it? (Seek answer from the course and put in your own words. Use complete sentences).
ANSWER QUICKLY! I AM IN THE MIDDLE OF A TEST!If a newly married couple is expected to live with or near the husband’s parent, they are most likely part of aA) p
two numbers have a sum of 16 find the numbers if the sum of their square is a minimum