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2. From the data below, a. Calculate the pH of a 0.75 M maleic acid solution (H₂C₂H₂O₂). 2- b. Find the equilibrium concentration (in M) of C₂H₂O₂²- of the 0.75 M maleic acid solution. (Ka, (H₂C₂H₂O₂)= 1.20x 10³; Ka₂(H₂C₂H₂O₂)=5.37x10¹7)

2. From the data below, a. Calculate the pH of a 0.75 M maleic acid solution (H₂C₂H₂O₂). 2- b. Find the equilibrium concentration (in M) of C₂H₂O₂²- of the 0.75 M maleic acid solution. (Ka, (H₂C₂H₂O₂)= 1.20x 10³; Ka₂(H₂C₂H₂O₂)=5.37x10¹7)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. Given that the Kw= 1.14 x 10-¹5 at 273 K, what is the pH of a neutral solution at 273 K? 2. From the data below, a. Calculate the pH of a 0.75 M maleic acid solution (H₂C₂H₂O₂). b. Find the equilibrium concentration (in M) of C₂H₂O²- of the 0.75 M maleic acid solution. (Ka, (H₂C₂H₂O)= 1.20x 10³; Ka₂(H₂C₂H₂O₂)=5.37x10¹7) 3. Given the following Kb value (Kb(NH₂): 1.8 x 10³5) a. Calculate the pH of a 0.45M NH, solution. b. Calculate the % dissocation of a 0.45M NH3 solution. c. Calculate the pH of a 0.45M NH₂NO, solution. Include the hydrolysis equation that dictates the pH for this solution. 4. Is the following solution acidic, basic or neutral? Justify your answer. 2- a. 0.85 M NaHSO4 b. 1.0 x 10-¹0 M NaOH c. 0.75 M NaC104 d. 1.0 M KOCH, (Ka (HOC H₂)= 1.6 x 10-¹0) e. 1.0 M CH₂NH₂Cl (Kb (CH₂NH₂) = 4.38 x 10-4)
Transcribed Image Text:1. Given that the Kw= 1.14 x 10-¹5 at 273 K, what is the pH of a neutral solution at 273 K? 2. From the data below, a. Calculate the pH of a 0.75 M maleic acid solution (H₂C₂H₂O₂). b. Find the equilibrium concentration (in M) of C₂H₂O²- of the 0.75 M maleic acid solution. (Ka, (H₂C₂H₂O)= 1.20x 10³; Ka₂(H₂C₂H₂O₂)=5.37x10¹7) 3. Given the following Kb value (Kb(NH₂): 1.8 x 10³5) a. Calculate the pH of a 0.45M NH, solution. b. Calculate the % dissocation of a 0.45M NH3 solution. c. Calculate the pH of a 0.45M NH₂NO, solution. Include the hydrolysis equation that dictates the pH for this solution. 4. Is the following solution acidic, basic or neutral? Justify your answer. 2- a. 0.85 M NaHSO4 b. 1.0 x 10-¹0 M NaOH c. 0.75 M NaC104 d. 1.0 M KOCH, (Ka (HOC H₂)= 1.6 x 10-¹0) e. 1.0 M CH₂NH₂Cl (Kb (CH₂NH₂) = 4.38 x 10-4)
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