2.23 points A diprotic acid H 3A has Ka1 1x 10-4 and K2=1x10 - The corresponding...
The diprotic acid, H2A, has Ka1 i.e. (K1) = 1.00 X 10-4 and K2 = 1.00 X 10-8. a) Consider a solution of 0.100 M H2A. Calculate the pH, and calculate the following concentrations: [H2A], [HA- ] and [A2- ]. b) Consider a solution of 0.100 M NaHA. Calculate the pH, and calculate the following concentrations: [H2A], [HA- ] and [A2- ].
A diprotic acid, H,A, has acid dissociation constants of Ka1 = 4.05 x 10-4 and Ka2 = 4.12 x 10-". Calculate the pH and molar concentrations of H,A, HA, and A2- at equilibrium for each of the solutions. A 0.133 M solution of H, A H,A= pH 0.126 2.15 м A2- HA- М 4.12 x10-11 7.14 x10-3 М A 0.133 M solution of NaHA H,A pH= HA- A2-1 |м м A 0.133 M solution of Na, A H,A= |м pH...
A solution is prepared by adding 0.10 mol of lithium nitrate, LiNO_3 to 1.00 L of water. Which statement about the solution is correct? A)The solution is basic. B) The solution is C) The solution is weakly acidic. D) The solution is strongly acidic. E The values for K_a and K_b for the species in solution must be known before a prediction can be made. The pH of blood is 7.35. It is maintained in part by the buffer system...
Titration: Acids and Bases
2. How can you determine which acid is diprotic?
3. using the answers to questions one and two, which acid is
diprotic?
4. Which base has more hydroxide ions per molecule?
Acid Volume Base Base Initial Volume (mL) Base Final Volume (mL) Volume of Base Used (mL) Acid: Base Ratio Acid 1 20 mL Base 1 50 mL 34.5 15.5 4:3 Acid 2 20 mL Base 1 Acid 1 20 mL Base 2 Acid 2 20...