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

Question

andiswanokuphiwa156 andiswanokuphiwa156

01-11-2021
Chemistry

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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

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jamal00ahmed jamal00ahmed · Answer 1 · 2021-11-01T10:31:16+01:00

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 · Answer 2 · 2021-11-01T10:31:52+01:00

aangelbraavo08 aangelbraavo08

01-11-2021

It is 5.4 I got the answer because of the guy on top

Answer Link

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​

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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