September 21, 2007 Section R02 3: 29, 34, 48, 58, 64 29. Which of these are the correct formulas of compounds? For those that are not, give the correct formula. A. AlCl – incorrect; AlCl 3 B. NaF- correct C. Fe 2 O 5- incorrect; Iron (II) oxide (FeO); Iron (III) oxide (Fe 2 O 3 ); Iron(II,III) oxide (Fe 3 O 4 ) D. K 2 O- correct 34. Determine the chemical formulas for barium sulfate, magnesium sulfate, and sodium acetate. Each compound contains a monatomic carbon and a polyatomic anion. What are the names and charges of these ions? Barium Sulfate-- BaSO 4 Ba 2+, SO 4 2− Magnesium Sulfate-- MgSO 4 Mg 2+ , SO 4 2− Sodium acetate-- CH 3 COONa [C 2 H 3 O 2 ] − , Na+ 48. What is an electrolyte? How can we differentiate between a strong electrolyte and a nonelectrolyte? Give an example of each. An electrolyte is a chemical compound that separates into ions in a solution or when molten, and is able
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