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What is the pH of a solution obtained by mixing: 10.0 mL of 2.00 M hydrofluoric...
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.
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 10* Show all of your work, give a final answer with the correct amount of significant figures.
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
A solution is prepared by mixing 20.0 mL of 0.050 M acetic acid and 10.0 mL of 0.100 M HCl. What is the pH of the solution? ( Ka acetic acid = 1.8 x 10-5) A. 2.36 B. 0.22 C. 1.48 D. 1.00 E. 0.48
What is the resulting pH of a solution made by mixing 10.0 mL of an HCl(aq) solution having a pH of 2.00 with 10.0 mL of an HCl(aq) solution having a pH of 6.00? Numeric Answer: Unanswered • 2 attempts left Submit Calculate the pOH of a 7.0E0 M NACH3CO2 (aq) solution. The Ke of acetic acid is 1.8x10-5. 0 Respond with the correct number of significant figures in scientific notation (Use Enotation and only 1 digit before decimal e.g....
What is the pH of the solution obtained by mixing 30.00 mL of 0.250 M HCl and 30.00 mL of 0.125 M NaOH? We assume additive volumes. What is the pH of a solution that is 0.75 M in sodium acetate and 0.50 M in acetic acid? (ka for acetic acid is 1.3x10-5.) Calculate the pH of a solution prepared by mixing 15.00 ml of 0.10 M NaOH and 30.00 mL of 0.10 M benzoic acid solution. (Benzoic acid is monoprotic; its...
A student performs a titration of 50.0 mL of 0.100 M hydrofluoric acid (HF), using0.050 M sodium hydroxide (NaOH). The Ka for hydrofluoric acid is 8.8 x 10-5 What is the pH of the solution after the addition of 20.0 mL of sodium hydroxide solution?
D. Buffers 1. A buffer solution was made by dissolving 10.0 grams of sodium acetate in 200.0 mL of 1.50 M acetic acid. Assuming the change in volume when the sodium acetate is added is not significant, estimate the pH of the acetic acid/sodium acetate buffer solution. The K, for acetic acid is 1.8 x 105. 2. Calculate the pH of a buffer solution that initially consists of 0.0400 moles of ammonia and 0.0250 moles of ammonium ion, after 20.0...
Calculate the pH of a solution obtained by mixing 489 mL of 0.17 M hydrochloric acid with 311 mL of 2.1 x 10-2 M lithium hydroxide. Assume the combined volume is the sum of the two original volumes. pH =
(5 pts) Find pH of a solution obtained by mixing 50.0 mL of 0.2 M acetic acid with 20.0 mL of 0.4 M sodium hydroxide. Acid dissociation constant of acetic acid is 1.8x10