Experiment #15 Determination of the Dissociation Constants o

Experiment #15 Determination of the Dissociation Constants...

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Experiment 15 Determination of the Dissociation Constants of Weak Acids 1.9 1.26E-02 Unknown Acids: Name Formula Acetic acid 1.80E-05 4.74 Benzoic acid 6.50E-05 4.19 Glycolic acid 1.60E-04 3.8 Potassium dihydrogen phosphate 6.20E-08 7.21 Potassium hydrogen sulfate 1.20E-02 1.92 Potassium hydrogen sulfite 6.40E-08 7.19 Potassium hydrogen phthalate 3.90E-06 5.41 Potassium hydrogen tartrate 4.60E-05 4.34 Sodium dihydrogen phosphate NaH2PO4H2O 6.20E-08 7.21 Sodium hydrogen sulfate 1.20E-02 1.92 Sodium hydrogen sulfite
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Unformatted text preview: 6.40E-08 7.19 Sodium hydrogen tartrate 4.60E-05 4.43 pH of acid solution = pK a K a of weak acid K a pK a HC 2 H 3 O 2 K a HC 7 H 5 O 2 K a HC 2 H 4 O 3 K a KH 2 PO 4 K a2 of H 3 PO 4 KHSO 4 K a2 of H 2 SO 4 KHSO 3 K a2 of H 2 SO 3 KHC 8 H 4 O 4 K a2 of H 2 C 8 H 4 O 4 KHC 4 H 4 O 6 H 2 O K a2 of H 2 C 4 H 4 O 6 K a2 of H 3 PO 4 NaHSO 4 H 2 O K a2 of H 2 SO 4 NaHSO 3 K a2 of H 2 SO 3 NaHC 4 H 4 O 6 H 2 O K a2 of H 2 C 4 H 4 O 6...
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This note was uploaded on 06/02/2010 for the course CHEM 104 taught by Professor Any during the Spring '10 term at UNC Charlotte.

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