Question

When one mole of ethyl alcohol is mixed with one mole of acetic acid at room temperature,the equilibrium mixture contains 2/3 mole of ethyl acetate and 2/3 mole of water.What is the Kc for the reaction?​

Answer 1

Let us assume that the one mole of CH

3

COOH and C

2

H

5

O

5

are present and

3

2

rd of CH

3

COOH and C

2

H

5

OH is consumed . It gives CH

3

COOH

left=1−

3

2

C

2

H

5

OH=1−

3

2

Hence the number of moles of water and CH

3

COOC

2

H

5

are

3

2

each

K

a

=

(

3

1

×

3

1

)

(

3

2

×

3

2

)

=4