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CHEM 007 In Class Practice Problems Names: Chapter 8: Solutions Membrane 1. Identify solute(s) and solvent in the following solutions: a. Carbonate drinks (Coke, Bang, La Croix) b. Tincture of iodine c. Lemon water 2. Which of the following pairs is likely to form a homogeneous mixture? Provide an explanation for your choice. a) Lil and Hg /100 8 120) b) C6H14 and Br2 c) CH3OH and C6H6 CC14 and H20 e) All pairs above are miscible 3. If the solubility of sodium acetate (molar mass = 82 g/mol) is 76 grams per 100 grams of water, which of the following solutions would be considered supersaturated? Unsaturated? Saturated? A) 9.3 moles of sodium acetate dissolved in 1 L of water B) 5.5 moles of sodium acetate dissolved in 500 ml of water C) 1.8 moles of sodium acetate dissolved in 300 ml of water D) 1.2 moles of sodium acetate dissolved in 200 mL of water 4. A solution contains 100.0 g water, 10.0 g NaCl, and 15.0 g methanol. What is the mass percent of methanol in the solution? 5. Rubbing alcohol is 70.% isopropyl alcohol by volume. How many ml of isopropyl alcohol are in a 1 pint (473 mL) container