5h2ocopperiisulfatepentahydrate

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Unformatted text preview: ) KCl (b) CsF (c) HCN (d) AlBr3 (e) NaOH Hint: For 11th ed.: p.p. 59‐63; For 9th and 10th editions: p. Starting 62. Molecular compound is composed by nonmetal reacts with nonmetal atoms; whle the ionic compound is composed by metal and nonmetal atoms. However, there is an exception: For compounds that contain ammonium ion, NH4+ , they are the ionic compounds as they are formed by acid, HCl, reacts with base, NH3. 11. Which of the following is the empirical formula? (b) CH3COOH (c) C4H10O2 (d) NH4NO3 (e) B2H6 (a) C8H18 Hint: For 11th ed.: p.p. 53‐55; 9th edition: p.p. 55‐57; 10th edition: p. 56‐57. Both editions: Example 2.3. Empirical formula is the simplest integral ratio among each atom. For (b), the molecular formula can be written as C2H4O2 and that for (d) as N2H4O3. 12. Which of the following is not a correct match? (b) H2O dihydrogen monoxide (a) AlCl3, aluminum chloride (d) HNO3, nitrous acid (c) CrF3, chromium (III) fluoride (e) CuSO4.5H2O, copper (II) sulfate pentahydrate H...
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