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Chem14A_Outline7_Acids%20and%20Bases - • Calculate the...

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Lecture Schedule CHEM 14A Instructor: Dr. Laurence Lavelle FALL 2008 Acids and Bases Read: Fundamentals J Do Problems: 1, 3, 5, 7 Read: Ch 10.1 to end of 10.14 and Box 10.1 Do Problems: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 71, 73, 75, 79, 109, 111, 113, 117, 131, 135 After going through the readings & problems and attending the lectures & discussion groups, you should be able to: Describe chemical properties of acids, bases and amphoteric compounds. Recognize acids and bases from their formulas. Describe how acids react with water to from acidic solutions and how bases react with water to form basic solutions. Explain the difference between solutions of strong and weak acids and bases. Explain how the pH of a solution is related to its hydronium ion and hydroxide ion concentrations. Calculate the pH and pOH of a solution of a strong or weak, acid or base.
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Unformatted text preview: • Calculate the hydroxide ion concentration from a hydronium ion concentration, and vice versa. • Identify species as Bronsted acids or bases or Lewis acids and bases. • Explain why solutions of weak acids have higher pH values than solutions of strong acids at the same concentration. • Write molecular and structural formulas for conjugate acids and bases. • Show how the acidity constant of an acid is related to the basicity constant of its conjugate base. • Use K a values to predict the relative strengths of two acids or two bases. • Calculate the percentage ionization (dissociation) of a weak acid or base. • Polyprotic acids and bases. • Explain why salts of weak bases produce acidic solutions and salts of weak acids produce basic solutions, and calculate the pH of salt solutions. • Be able to explain why rain can be acidic and discuss possible options to reduce ‘acid rain’....
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