CH 16_student_6_per_page_sp07

ka ch3co2 h3o 1810 5 ch3co2h weak base has

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Unformatted text preview: $ Ka= [CH3CO2-][H3O+] = 1.8×10-5 [CH3CO2H] Weak base has Kb < 1 Weak Leads to small [OH-] and a pH of 12 - 7 Leads and Slide 25 of 48 CHM 25 SP07 Slide 26 of 48 CHM 25 SP07 Weak Bases Table 16.3 Ionization Constants of Weak Acids and Bases Kb= [CH3NH3+][HO-] = 4.3×10-4 [CH3NH2] pKb= -log(4.2×10-4) = 3.37 Slide 27 of 48 CHM 25 SP07 Slide 28 of 48 CHM 25 SP07 ' & # ($ Increase strength ) &* * Increase strength Slide 29 of 48 CHM 25 SP07 Slide 30 of 48 CHM 25 SP07 CHM 25 SP07 5 * # $ ) * # $ ) ACIDS ACIDS STRONG STRONG weak weak CONJUGATE BASES CONJUGATE BASES weak weak STRONG STRONG A strong acid is 100% dissociated. strong Therefore, a + , ) - . # / —a good H+ Therefore, donor—must have a ! # * - 01 .# , must $ # + —a poor H+ acceptor. acceptor. HNO3(a...
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This note was uploaded on 10/24/2009 for the course CHEM 025 taught by Professor X during the Spring '06 term at Lehigh University .

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