What is the hydrolysis constant of a weak acid-weak base?

If 0.20 mol/L CH3COOH and 0.50 mol/L CH3COO– together make a buffer solution, calculate the pH of the solution if …

Physical equilibrium is the same as the chemical equilibrium.

At constant temperature, the pressure is directly proportional to the concentration of the gas.

Silver ion is a Lewis acid.

The equilibrium position does not change when there is an addition of inert gas at constant volume.

Reaction quotient is depicted by this symbol ______

Acid strength increases in the order of _________