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QUESTION 14 What is the pH of a solution that is 0.1 Min acetic acid, HC2H302,...
e) 8.67 1. IM in What is 0.3 M in 25°c ? acetic acid, HC2H302 3 the pH of a solution that sodium acetate.. Na C 2 H 3 Oz at Ka of acetic acid is 1.8 x 10-5 a) 5.23 b) 1.53 c) 4.74 d) 2.29 e) 6.08
What is the pH of a solution that is 0.785 M in acetic acid and 0.451 M is sodium acetate. The Ka for acetic acid is 1.8 x 10-5 . A. 4.74 B. 4.50 C. 4.74 D. 4.98 E. 5.50
4. A solution is made by dissolving 15.00 grams of acetic acid and 3.25 grams of sodium acetate in 500.00 mL of water. What is the pH of the solution? The K, of acetic acid is 1.8 x 10. (Hints: First convert grams to mol and then determine the molarity of acetic acid and sodium acetate, ...) 5. What is the pH of a 2.50 molar solution of NHCl(aq)? The Ko for NH, is 1.8 x 105. 6. A certain...
What is the pH of a 0.1 molar sodium acetate(NaC2H302) solution? What is the concentration of each species present in the solution? (10 points) Ka(acetic acid) = 4.6 x 10-5 mole liter1 Kw = 1.0 x 10-14 mole2liter2
(C))3.75 moo (D) 4.75 (E) 5.75 bios nA oir 9. Ka of acetic acid is 1.8 x 10. What is the pH of a solution 0.1M acetic acid and 0.05M sodium acetate? (A) 4.44 oasd A (B) 4.74 (C) 4.96 (D) 5.04 (E) 5.56 10. A buffer solution containing 0.5M acetic acid and 0.5M sodium acetate hais a pH ot 4.745. 5ml 2M sodium hydroxide is added to 995ml of the buffer solution. What is final pH? (A) 4.569 (C))3.75...
With this information what is the PH of the .1 M acetic acid sol and .1 M acetic acid buffer sol? Please help solutions to observe that buffers resist pH changes. Burette readings should be made to the nearest 0.1 mL (or 0.05 mL if possible), A. Preparation of Acetic Acid-Acetate Buffer Solution An acetate buffer contains the acid-base pair, acetic acid and the acetate ion (typically added as sodium acetate). For acetic acid, pK, = -log (1.8 x 10-)...
Question 4. a.) Calculate the pH of a solution initially 0.1 M in acetic acid and 0.02 M in sodium acetate. The pKa for acetic acid is 4.76. b) Calculate the pH of the buffer if you add 10 ml of 0.1M HCl to 100 ml of the buffer in part a.
1. Which one of the following salts forms aqueous solutions with pH = 7? (Circle the correct answer) a) FeCl3 b) KBr c) LiClO2 d) NH4NO3 e) Na2CO3 2. Calculate the pH of a 0.150M solution of sodium acetate (NaC2H302) at 25°C. (Ka for acetic acid HC2H302 is 1.8 x 10-5)
QUESTION 28 What is the pH of a solution containing 0.1 M acetic acid (pka = 4.7) and 0.4 M sodium acetate? (Show your work)
Question 2 7 poin Calculate the pH of the solution that results from a mixture of 0.50 M acetic acid (HC2H302) and 0.25 M sodium acetate (NaC2H302). K, for HC2H302 - 1.78x10-5