Question

An ion can be removed from an aqueous solu-
tion by
1. the formation of a gas that escapes.
2. formation of a precipitate.
3. the formation of what is essentially a
nonelectrolyte.
4. All of these

Answer 1

big hint: Reactions go to completion for one of three reasons.
a. a gas is formed.
b. a precipitate is formed.
c. a slightly ionized substance is formed.

Answer 2

4. All of these

Answer 3

4 All of these