31,405 Quiz: Exam 2 1. Consider the two molecules below. Propanoic acid 2 3 H H...

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31,405 Quiz: Exam 2 1. Consider the two molecules below. Propanoic acid 2 3 H H H 2 HO: O H -c-c-c-Ö: -C- H :0. H 4 5 6 5 4 Produced by bacteria in human sweat glands. Produced in the muscle cells during exercise. Ka 1.3 x 10-5 = Ka 1.4 x 10-4 = a) Identify the most acidic hydrogen atom in each of the two molecules. Explain your choice in 1-2 sentences. b) Explain the difference in Ką values between these two molecules in 1-2 sentences. c) What is the pH of a solution made by dissolving 6.25 g of lactic acid in water to a total volume of 100.0 mL? d) If 1.50 g of sodium hydroxide is added to the solution in part c, what will be the new pH of the solution? 2 MAR 26 tv DIZA MacBook Pro H- Lactic acid 3 -Ö: H Launch Meeting - Zoom X 31,405 Quiz: Exam 2 1. Consider the two molecules below. Propanoic acid 2 3 H H H 2 HO: O H -c-c-c-Ö: -C- H :0. H 4 5 6 5 4 Produced by bacteria in human sweat glands. Produced in the muscle cells during exercise. Ka 1.3 x 10-5 = Ka 1.4 x 10-4 = a) Identify the most acidic hydrogen atom in each of the two molecules. Explain your choice in 1-2 sentences. b) Explain the difference in Ką values between these two molecules in 1-2 sentences. c) What is the pH of a solution made by dissolving 6.25 g of lactic acid in water to a total volume of 100.0 mL? d) If 1.50 g of sodium hydroxide is added to the solution in part c, what will be the new pH of the solution? 2 MAR 26 tv DIZA MacBook Pro H- Lactic acid 3 -Ö: H Launch Meeting - Zoom X

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1a The proton attached with the carboxylic acid group is the most acidic one because of the equivale... View the full answer