Acid-Base Practice Problems

Acid-Base Practice Problems - Practice Exam: ACID / BASE...

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Practice Exam: ACID / BASE Chem 241-Section 1 Fall 2006 Professor Jorgenson [H + ] = F + F 2 + 4K w 2 [H + ] = –K a + K a 2 + 4K a F 2 [OH ] = F + F 2 + 4K w 2 [OH ] = –K b + K b 2 + 4K b F 2 pH = pK a + Log 10 [base] [acid ] pH = pK a1 +pK a2 2 [H + ] = K a1 K a2 [H + ] = K a1 K a2 F+ K a1 K w K a1 +F K w = 1.01 x 10 –14 α HA = H + H + + K a α A = K a H + + K a α H 2 A = H +2 H +2 + H + K a1 + K a1 K a2 α HA = K a1 H + H +2 + H + K a1 + K a1 K a2 α A 2— = K a1 K a2 H +2 + H + K a1 + K a1 K a2 COMPOUND K a1 K a2 K a3 --------------------------------------------------------------------------------------------------------------------- Acetic Acid (CH 3 COOH) 1.75 x 10 –5 ----- ----- Adipic Acid (C 6 H 10 O 4 ) 3.80 x 10 –5 3.80 x 10 –6 ----- Ammonia (NH 3 ) 5.70 x 10 –10 ----- ----- Benzoic Acid (C 6 H 5 COOH) 6.28 x 10 –5 ----- ----- Carbonic Acid (H 2 CO 3 ) 4.45 x 10 –7 4.69 x 10 –11 ----- Phosphoric Acid (H 3 PO 4 ) 7.11 x 10 –3 6.32 x 10
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Acid-Base Practice Problems - Practice Exam: ACID / BASE...

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