chap 013 - Chapter 13 Lecture Examples Example 1 Write the...

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Chapter 13 Lecture Examples Example 1 Write the formula of the conjugate acid of each base. (a) OH H 2 O (b) C 6 H 5 NH 2 C 6 H 5 NH 3 + (c) HCO 3 H 2 CO 3 Example 2 Write the formula of the conjugate base of each acid. (a) HNO 2 HNO 2 (b) HF F (c) H 3 BO 3 H 2 BO 3 Example 3 Which of the following are amphoteric species? (a) H 2 O amphoteric (b) HSO 3 amphoteric (c) SO 4 2 not amphoteric Example 4 Identify each of the following conditions as acidic, basic or neutral. (a) [OH ] = 1.0 x 10 11 M acidic; [OH ] < 1.0 x 10 7 M (c) [H 3 O + ] > [OH ] acidic Example 5 What is the concentration of OH in each of the following solutions? (a) 0.0010 M KOH KOH(s) K + (aq) + OH (aq) 0.0010 mol KOH/1 L = 0.0010 mol OH /1 L (1 mol KOH gives 1 mol OH from balanced equation) (c) 0.0010 M HCl HCl + H 2 O H 3 O + (aq) + Cl (aq) 0.0010 mol HCl/1 L = 0.0010 mol H 3 O + /1 L
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[H 3 O + ] 0.001 M [OH ] 6.4 x 10 –4 M [OH ] 2.7 x 10
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This note was uploaded on 04/03/2011 for the course CHEM 112 taught by Professor Harwood during the Spring '11 term at Purdue.

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chap 013 - Chapter 13 Lecture Examples Example 1 Write the...

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