Question PART A Calculate the pH of 1.00 L of a buffer containing 0.200 mol of Hydrofluoric acid (HF, Ka 6.6 x 10-4) and
Posted: Mon May 02, 2022 7:39 pm
- Question Part A Calculate The Ph Of 1 00 L Of A Buffer Containing 0 200 Mol Of Hydrofluoric Acid Hf Ka 6 6 X 10 4 And 1 (78.07 KiB) Viewed 22 times
Question PART A Calculate the pH of 1.00 L of a buffer containing 0.200 mol of Hydrofluoric acid (HF, Ka 6.6 x 10-4) and 0.150 mol of sodium acetate (NaF). (5 pts) = PART B Calculate the new pH after 0.0500 mol of HCl is added to the buffer from part a). Assume that the volume of the solution does not change. (5 pts) PART C Calculate the new pH after 0.0800 mol of NaOH is added to the buffer from part a). Assume that the volume of the solution does not change. (5 pts)
Question 2: The balanced equation for decomposition of calcium carbonate at 298 K is given below: CaCO3 (s) → Cao (s) + CO2(g) A. Calculate the A°H. (4 pts) B. Calculate A°S. (4 pts) C. Calculate AºG. (4 pts) D. At what temperature, would this reaction be spontaneous?