Answered

Westonci.ca offers quick and accurate answers to your questions. Join our community and get the insights you need today. Join our platform to get reliable answers to your questions from a knowledgeable community of experts. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

Determine the mass of sodium acetate necessary to produce 100 ml of an acetate buffer

Sagot :

jazmynconway

Explanation:

Ethanoic acid is a weak acid and dissociates:

C

H

3

C

O

O

H

⇌

C

H

3

C

O

O

−

+

H

+

For which

K

a

=

[

C

H

3

C

O

O

−

]

[

H

+

]

[

C

H

3

C

O

O

H

]

=

1.8

×

10

−

5

Please remember that these are equilibrium concentrations .

p

K

a

=

−

log

K

a

=

−

log

[

1.8

×

10

−

5

]

=

4.74

n

=

c

×

v

∴

n

C

H

3

C

O

O

H

=

0.20

×

200.0

1000

=

0.04

We appreciate your time on our site. Don't hesitate to return whenever you have more questions or need further clarification. Thank you for your visit. We're dedicated to helping you find the information you need, whenever you need it. Your questions are important to us at Westonci.ca. Visit again for expert answers and reliable information.