Question

1. Which of the following additions will result in no change in the pH of a solution?

a) adding ammonium nitrate to an ammonia solution

b) adding potassium chloride to a hydrochloric acid solution

c) adding sodium formate to a formic acid solution

2. Determine the pH of a solution that is 0.35 M CH3COOH and 0.15 M CH3COONa

3. In a titration experiment, 30.9 mL of a 0.515 M HCOOH neutralizes 27.1 mL of Ba(OH)2. What is the concentration of the Ba(OH)2 solution? ______________________M

4. Calculate the molar solubility of Fe(OH)2 in a solution buffered at pH 9.50

Enter answer in scientific notation

5. The molar solubility of Pb(IO3)2 in a 0.10 M NaIO3 solution is 2.4x10^-11 mol/L. What is Ksp for Pb(IO3)2?

Enter your answer in scientific notation

Answer 1