At equilibrium, the concentration of ch3cooh is 2.0 × 10–1 m, the concentration of ch3coo– is 1.9 × 10–3 m, and the concentration of h3o+ is 1.9 × 10–3 m. what is the value of keq for this reaction?

Explanation:

Concentration of =

Concentration of =

Concentration of =

The balanced equilibrium reaction will be,

The expression for equilibrium reaction will be,

Now put all the given values in this expression

Therefore, the value of Keq for this reaction is

a. the law of proportion states the combination of 2 atoms in a specific ratio to produce multiple compounds such as the given statement of question ‘1st compound contains 88.8 % cu ’ indicates 88.8 g of cu is present along with 11.2 g oxygen in 100 g of compound whereas the statement ‘2st compound contains 79.9 % cu ’ indicates 79.9 g of cu is present along with 20.1 g oxygen in 100 g of compound

1st compound contains 88.8 g cu

for cu

m = 63 g /mol

atomic % = 88.8 /63 = 1.42

for o

m = 16 g /mol

atomic % = 11.2 /16 = 0.7

b. the emperical formula of 1st compound is

cu1.4o0.7

cu2o

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