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19 Nov 2019
Table 2. The acids in Table 1 arranged by Ka. % Dissociation in a 1.00 M solution Molecular Kc Ka Acid Name Formula hydroiodic acidHI hydrobromic acid perchloric acid hydrochloric acid sulfuric acid nitric acid HBr HOCIO3 HCl à 107 10 2x100 3 x 109 1 x 109 100 100 1 x 106 1 x 103 2 x104 H2S04 2 100 100 HNO3 28 96.7 H3PO41.3x1 phosphoric acid hydrofluoric acid nitrous acid 7.1 x 10-3 7.2à 10-4 8.4 2.7 2.3 0.42 0.07 0.03 HF HNO 921 5.1 x 104 acetic acid carbonic acid hydrosulfuric acid CH3COOH H2CO3 H2S 3.2x)10-7 8.2x10? 8x10 1.75 à 10-5 4.5Ã10-7 1.0Ã10-7 Critical Thinking Questions 8. a) Use the information in Table 2 to calculate [H30*], [NO21, and [HNO2] for a 1.000 M solution of HNO2. [Hint: see CTQs 5 and 7.] b) Describe the qualitative relationship between Ka and the percent dissociation of the acids in Table 2 using a grammatically correct sentence 9. The acids in Table 2 are divided into two groups: those with Ka> 1 with Ka and those 1. Describe each o these two groups in terms of percent dissociation
Table 2. The acids in Table 1 arranged by Ka. % Dissociation in a 1.00 M solution Molecular Kc Ka Acid Name Formula hydroiodic acidHI hydrobromic acid perchloric acid hydrochloric acid sulfuric acid nitric acid HBr HOCIO3 HCl à 107 10 2x100 3 x 109 1 x 109 100 100 1 x 106 1 x 103 2 x104 H2S04 2 100 100 HNO3 28 96.7 H3PO41.3x1 phosphoric acid hydrofluoric acid nitrous acid 7.1 x 10-3 7.2à 10-4 8.4 2.7 2.3 0.42 0.07 0.03 HF HNO 921 5.1 x 104 acetic acid carbonic acid hydrosulfuric acid CH3COOH H2CO3 H2S 3.2x)10-7 8.2x10? 8x10 1.75 à 10-5 4.5Ã10-7 1.0Ã10-7 Critical Thinking Questions 8. a) Use the information in Table 2 to calculate [H30*], [NO21, and [HNO2] for a 1.000 M solution of HNO2. [Hint: see CTQs 5 and 7.] b) Describe the qualitative relationship between Ka and the percent dissociation of the acids in Table 2 using a grammatically correct sentence 9. The acids in Table 2 are divided into two groups: those with Ka> 1 with Ka and those 1. Describe each o these two groups in terms of percent dissociation
Tod ThielLv2
8 Sep 2019