<p>Chapters 3 and 4 Leader: Carlie Worksheet Course: Chem 177 Supplemental Instruction Instructor: Greenbowe Iowa State University Date: 9/21/11</p><p>1.) The following diagram represents the reaction of A2 (black spheres) and B2 (white spheres)</p><p> a.) What is the limiting reactant? (circle the correct answer) </p><p>A2 B2 A3B both A2 and B2 b.) How many moles of the product can be made from 0.10 mol A2 and 0.10 mol B2?</p><p>2.) 1.00 mol of Al is allowed to react with 99.0g of Br2. 2 Al (s) + 3 Br2(l)  2AlBr3 (s)</p><p> a.) What is the theoretical yield in grams on AlBr3?</p><p> b.) What is the mass amount of excess reactant?</p><p>3.) Three different substances, A2X, A2Y and A2Z were dissolved in water with the following results. (Water molecules omitted for clarity). Which of the substances is the strongest electrolyte? The weakest? </p><p>Supplemental Instruction 1060 Hixson-Lied Student Success Center v 294-6624 v www.si.iastate.edu 4.) Which of the following compounds is a nonelectrolyte?</p><p> a.) NaOH b.) HNO3 c.) C2H6O d.) KF e.) CH3COOH (acetic acid)</p><p>5.) Name the 7 strong acids</p><p>6.) Define:</p><p>Solvent-</p><p>Solute-</p><p>Electrolyte-</p><p>Nonelectrolyte-</p><p>Precipitate-</p><p>Solubility-</p>