1. The dissociating constant of butyric acid C3H, COOH is 1.5x 10 Calculate the degree of its dissociation in a 0.005 M solution.
2. What is the hydrogen ion concentration [H*) in an aqueous solution of formic
acid if a = 0.03?
3. Calculate the concentration of acetate ions in 0.1 M solution of acetic acid in
presence of 0.01 M HCl.
4. Calculate the ionic strength and the activities of the ions in a solution containing
0.01 mole. l' of Ca(NO3)2 and 0.01 mol/l of CaCl2