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Q: Calculate the Ka of HA given A−(aq)+H2O(l)⇌OH−(aq)+HA(aq) Kb = 9.60×10-7
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Q: The equivalent conductance of a 0.0140N solution of chloroacetic acid is 109.0 at 250C. What is the…
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- A 2.5 M solution of a weak acid is prepared. Using a pH meter, the pH is measured to be 5.1. Calculate the acid ionization constant, K., of this weak acid. Show your workDetermine the pH of 0.68 M acetic acid. For acetic acid, ka = 1.8x10-5. Answer Format: [2 decimals]A weak base has Kb = 3.3x10-6. Calculate the pKa of the conjugate acid. Express your answer to two decimal places. pKa =
- If the Ka for an acid is 0.010, what is the pK for its conjugate base? Give your answer to 2 decimal places.Based on the data in the table below, which of the following is the strongest base? Organic Acid K, pK, Formic acid (HCOOH) 1.8 X 10 4 3.74 Acetic acid (CH,COOH) 1.8 X 10 5 4.74 Propanoic acid (CH3CH2COOH) 1.3 x 10 5 4.89 Ascorbic acid (vitamin C) 7.9 x 10 5 4.10 O HCOONA OCH3COONa O The conjugate base of ascorbic acid OCH;CH2COONAAt 10.ºC, Kw = 1.14 x 10-15. What is the pH of water at 10.ºC? Choose the closest answer. 3.98 4.56 6.15 7.00 7.47
- In an aqueous solution of a certain acid the acid is 0.22% dissociated and the pH is 4.39. Calculate the acid dissociation constant K of the acid. Round answer to 2 significant digits.In a 1.2 mM aqueous solution of benzoic acid (C,H,CO,H), what is the percentage of benzoic acid that is dissociated? You can find some data that is useful for solving this problem in the ALEKS Data resource. Round your answer to 2 significant digits. |% ?If the concentration of an acid in solution is 2.2 times larger than the concentration of its conjugate base, and the pH of the solution is 3.5, what is the pKa of the acid? Include the answer to 3 significant figures
- Calculate the Kb value for the conjugate base of hydrosulfuric acid. The Ka for H2S is 9.6 x 10-8Calculate the pH at 25 °C of a 0.46 M solution of potassium butanoate (KC,H,CO,). Note that butanoic acid (HC,H,CO,) is a weak acid with a pK, of 4.82. Round your answer to 1 decimal place.In a 0.73 mM aqueous solution of 4-chlorobutanoic acid (C,H¸CICO,H), what is the percentage of 4-chlorobutanoic acid that is dissociated? You can find some data that is useful for solving this problem in the ALEKS Data resource. Round your answer to 2 significant digits. 0% x10