Solutes and react to produce solutes and in a reversible reaction, as shown by the equation. In a solution at equilibrium, the concentrations of , , , and are , , , and respectively. When a small quantity of compound is added to this solution, the composition of the solution changes according to Le Chatelier’s principle.
According to Le Chatelier’s principle, how and why does the position of equilibrium change?
Which equilibrium concentrations increase when compound is added?
Which of the following ratios of equilibrium concentrations does not change when compound is added?
In which of the following reactions would the addition of hydrochloric acid decrease the quantity of solid material?