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QUESTION 7 You are given an unknown acid solution with a pH of 2.24 and a...
A 0.525 M solution of an unknown monoprotic acid has a pH = 2.24. What is the Ka of the acid? What is the percent ionization of the acid?
QUESTIONS You are given a 1.22 M solution of HBrO (hyprobromous acid). The Kg for HBrO is 2.5 x 10-9 What is the pH of this solution? Note: "+x" and "-*" are negligible. No quadratic.
1) Determine the pH of a 0.0785 M unknown weak base solution. Kb of the unknown weak base is 4.7 x 10−6. 2) An unknown weak acid solution with a concentration of 0.0850 M has a pH of 4.35. What is the Ka for this weak acid? 3) What is the pH of a 0.0380 M solution of HNO2? (Use your workbook to find Ka) 4) An unknown weak base solution with a concentration of 0.187 M has a pH...
A 0.048 M solution of an unknown weak acid, HA, has a pH = 2.75. What is the hydrogen ion concentration of this solution? Answer in scientific notation and be sure to include your units. (Scientific notation: Ex. 2.4 x 103 = 2.4E3) HA(aq) + H+(aq) + A'(aq) Answer: A 0.048 M solution of an unknown weak acid, HA, has a pH = 2.75. What is the value of the acid dissociation constant, Ka? Answer in scientific notation. Answer: A...
QUESTION 9 Chlorous acid has a Ka of 1.1 x 10-2 What is the pH of a 0.90 M solution of chlorous acid? HCIO2 --H* + CO2 You WILL need the quadratic in this problem. For full points, show the following • ICE Table . Ka ratio (show the products over the reactants equal to 1.1 x 10-2 • Show your work solving for x o Use a quadratic calculator to plug in "a", "b", and "e" . Once you...
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 0.048 M solution of an unknown weak acid, HA, has a pH = 2.75. What is the hydrogen ion concentration of this solution? Answer in scientific notation and be sure to include your units. (Scientific notation: Ex. 2.4 x 103 = 2.4E3) HA(aq) + H+ (aq) + A (aq) Answer: A 0.048 M solution of an unknown weak acid, HA, has a pH = 2.75. What is the value of the acid dissociation constant, K ? Answer in scientific...
QUESTION 11 You are given a solution that has both 1.2 M HCIO and 0.10 M NaCio. If the kg of hypochlorious acid (HCIO) is 3.0 x 10-8 what is the pH of this solution? Note: ***" and "x" are negligible. No quadratic. You may not even need an ICE table...
The pH of a 0.60 M aqueous solution of an unknown acid is 2.98. What is the value of Ka for the acid? A. 0.22 B. 1.8 x 10-5 C. 6.0 x 10-5 D. none of the above O E. 1.8 x 10-4
An acetic acid solution (Ka= 1.8x10^-5) with an unknown concentration has a pH of 2.98 what is the concentration of the acidic acid solution?