Imagine that 500 mL of a 0.100 M solution of HOAc(aq) is prepared. What will be the [OAc–] at equilibrium in this solution if the acid dissociation constant Ka(HOAc) = 1.79 x 10–5? a. 1.33 x 10–3 M b. 4.23 x 10–3 M c. 9.46 x 10–4 M d. 0.100 M e. not enough information to tell
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Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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Imagine that 500 mL of a 0.100 M solution of HOAc(aq) is prepared. What will be the [OAc–] at equilibrium in this solution if the acid dissociation constant Ka(HOAc) = 1.79 x 10–5?
| a. |
1.33 x 10–3 M |
|
| b. |
4.23 x 10–3 M |
|
| c. |
9.46 x 10–4 M |
|
| d. |
0.100 M |
|
| e. |
not enough information to tell |
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