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Species Present Chemical(s) tested No, Few or Strong, Weak or Non electrolyte? Strong Many Ions? Li * and OH EXAMPLE 1: LİOH (high conductivity) Many EXAMPLE 2: HF (low conductivity) Deionized H2O (I) H 'and F,but mostly weak HF few Таp H:0 Methanol (1)

Species Present Chemical(s) tested No, Few or Strong, Weak or Non electrolyte? Strong Many Ions? Li * and OH EXAMPLE 1: LİOH (high conductivity) Many EXAMPLE 2: HF (low conductivity) Deionized H2O (I) H 'and F,but mostly weak HF few Таp H:0 Methanol (1)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Ionic compounds
Results: Part 1 Using your observed conductivities, determine whether each compound or solution contains no, few or many ions. If it contains no ions, in the second column write the compound in molecular form. If it contains many ions, write the ions it has formed and if it contains few ions, write both the ions and the molecular form. Determine if there are any ions in solution, what species are present in solution and whether the sample is a strong, weak or non-electrolyte. Species Strong, Weak or Non electrolyte? Chemical(s) tested No, Few or Many Ions? Present EXAMPLE 1: LİOH Many Li * and OH Strong (high conductivity) EXAMPLE 2: HF few H *and F,but mostly weak (low conductivity) Deionized H2O (1) HF Тар Н2О Methanol (1) Methanol (aq) Glacial acetic acid, HC2H3O2 (1) Aqueous acetic acid, HC2H3O2 (aq) Solid sucrose, C12H22O11 (s) Aqueous sucrose C12H22O11 (aq) NaCl (s) NaCI (aq) 0.1 M HCI (aq) 0.1 M NAOH (aq) 0.1 M HgCl2 (aq) 0.1 M N22CO3 (aq) 0.1 M KI,(aq) 0.1 M CaCl2(aq) 62
Transcribed Image Text:Results: Part 1 Using your observed conductivities, determine whether each compound or solution contains no, few or many ions. If it contains no ions, in the second column write the compound in molecular form. If it contains many ions, write the ions it has formed and if it contains few ions, write both the ions and the molecular form. Determine if there are any ions in solution, what species are present in solution and whether the sample is a strong, weak or non-electrolyte. Species Strong, Weak or Non electrolyte? Chemical(s) tested No, Few or Many Ions? Present EXAMPLE 1: LİOH Many Li * and OH Strong (high conductivity) EXAMPLE 2: HF few H *and F,but mostly weak (low conductivity) Deionized H2O (1) HF Тар Н2О Methanol (1) Methanol (aq) Glacial acetic acid, HC2H3O2 (1) Aqueous acetic acid, HC2H3O2 (aq) Solid sucrose, C12H22O11 (s) Aqueous sucrose C12H22O11 (aq) NaCl (s) NaCI (aq) 0.1 M HCI (aq) 0.1 M NAOH (aq) 0.1 M HgCl2 (aq) 0.1 M N22CO3 (aq) 0.1 M KI,(aq) 0.1 M CaCl2(aq) 62
Part 1 Continued: Chemical(s) No, Few or Species Present Strong, Weak or Non electrolyte? tested Many Ions? 0.1 M Pb(NO3)2 0.1 M AGNO3 0.1 M Ca(NO3)2 0.1M CUSO4 Part 2 Effect of the solvent Chemical(s) No, Few or Many Species Strong, Weak or Non electrolyte? tested Ions? Present Pure toluene HCl in Toluene HCI in Toluene and H20 Discussion: Use your results to answer the questions below: Part 1 1. Why is tap water more conductive than distilled water? 2. Is there evidence that shows that pure methanol forms ions (or not) while dissolved in water? 3. Why does acetic acid form ions when it is dissolved in water but not when it is in the pure (glacial) form? Write a chemical equation that shows the formation of ions from aqueous acetic acid. 63
Transcribed Image Text:Part 1 Continued: Chemical(s) No, Few or Species Present Strong, Weak or Non electrolyte? tested Many Ions? 0.1 M Pb(NO3)2 0.1 M AGNO3 0.1 M Ca(NO3)2 0.1M CUSO4 Part 2 Effect of the solvent Chemical(s) No, Few or Many Species Strong, Weak or Non electrolyte? tested Ions? Present Pure toluene HCl in Toluene HCI in Toluene and H20 Discussion: Use your results to answer the questions below: Part 1 1. Why is tap water more conductive than distilled water? 2. Is there evidence that shows that pure methanol forms ions (or not) while dissolved in water? 3. Why does acetic acid form ions when it is dissolved in water but not when it is in the pure (glacial) form? Write a chemical equation that shows the formation of ions from aqueous acetic acid. 63
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