Bonus question (10 points) What is the pH of a 1.00 M fluoride (F) solution? The Ka of hydrofluoric acid (HF) is 6.6 X...
What is the pH of a solution obtained by mixing: 10.0 mL of 1.00 M sodium fluoride (NaF) solution and 2.5 mL of 2.00 M nitric acid (KNO3) solution The Ka of hydrofluoric acid (HF) is 6.6 X 10-4 Show all of your work, give a final answer with the correct amount of significant figures.
What is the pH of a solution obtained by mixing: 10.0 mL of 2.00 M hydrofluoric acid (HF) solution and 20.0 mL of 1.00 M hydrochloric acid (HCI) solution The Ka of hydrofluoric acid (HF) is 6.6 X 104 Show all of your work, give a final answer with the correct amount of significant figures. Correct answer is (0.176)
Calculate the pH of a solution that is 0.100 M in hydrofluoric acid (HF) and 0.100 M in sodium fluoride (NaF). Ka of hydrofluoric acid is 6.3 x 10-4
of Hydrofluoric acid (Ka-6.6 x 10") solution is titrated with f NaOH. Draw a titration curve, labeling the initial pH (when no sodium 40. 100 ml ofa 0.3 M olution 0.3 M solution hydroxide has been added), the pH at the mid-point of the titration, and the pH at the equivalence point (16 points). of Hydrofluoric acid (Ka-6.6 x 10") solution is titrated with f NaOH. Draw a titration curve, labeling the initial pH (when no sodium 40. 100 ml...
7. Calculate the pH of a 2.7 M hydrofluoric acid solution. HF has a Ka = 6.6 x 104, Answer= PH=1.37 Need to know the steps
What is the pH of a 0.384 M aqueous solution of hydrofluoric acid? Ka (HF) = 7.1x10-4
What is the pH of a 0.473 M aqueous solution of hydrofluoric acid? Ka (HF) = 7.1x10-4
Calculate the pH of a 0.353 M aqueous solution of hydrofluoric acid (HF, Ka 7.2x10 t) and the equilibrium concentrations of the weak a and its co base. pH HF equilibrium F leg brium M.
Q3. If a solution of hydrofluoric acid (HF; Ka=6.8 x104) has a pH of 2.12, calculate the initial concentration of hydrofluoric acid. HF (aq) = H (aq) + F (aq)
1) A buffer solution contains 0.346 M hydrofluoric acid and 0.392 M sodium fluoride . If 0.0239 moles of potassium hydroxide are added to 125 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume does not change upon adding potassium hydroxide. ) pH = _______ 2) A student needs to prepare a buffer made from HF and KF with pH 2.904. If Ka for HF is 7.2x10^-4, what ratio of [HF]/[F-] is...