Assignment-2-A - Assignment 2(A CHAPTER 13 PHYSICAL PROPERTIES OF SOLUTIONS 1 Which of the following liquids would make a good solvent for iodine

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Assignment 2 (A) CHAPTER 13 PHYSICAL PROPERTIES OF SOLUTIONS 1- Which of the following liquids would make a good solvent for iodine, I 2 ? A. HCl B. H 2 O C. CH 3 OH D. NH 3 E. CS 2 2- Which of the following compounds will be soluble in CCl 4 ? A. NaCl B. H 2 O C. NaOH D. C 8 H 18 E. none of these 3- Which of the following gives the molarity of a 17.0 % solution of sodium acetate, CH 3 COONa (FM = 82.0 amu) in water? Given the density is 1.09 g/mL. A. 2.26 × 10 ─ 6 M B. 0.207 M C. 2.07 M D. 2.26 M E. 2.72 M 4- What is the percent CdSO 4 by mass in a 1.0 molal aqueous solution (molar mass of CdSO 4 = 208.46 g/mol)? A. 0.001 % B. 0.10 % C. 17.2 % D. 20.8 % E. 24.4 % 5- How many grams of water are needed to dissolve 27.8 g of ammonium nitrate NH 4 NO 3 in order to prepare a 0.452 m solution? A. 0.157 g B. 36.2 g C. 100 g D. 769 g E. 157 g 6- Calculate the molality of a 20.0 % by mass ammonium sulfate (NH 4 ) 2 SO 4 solution. The density is 1.117 g/mL. A. 0.15 m B. 1.51 m C. 1.70 m D. 1.89 m E. 2.10 m 7- The density of a 20.3 M CH 3 OH (methanol) solution is 0.858 g/mL. What is the molality of this solution? H 2 O is the solvent. A. 17.4 m B. 20.8 m C. 23.7 m D. 70.0 m E. 97.5 m 8- The solubility of gases in water usually decreases with: A. increased pressure B. increased temperature C. decreased temperature
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This note was uploaded on 04/08/2011 for the course CHEM 111 taught by Professor Thompson during the Spring '11 term at Abraham Baldwin Agricultural College.

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Assignment-2-A - Assignment 2(A CHAPTER 13 PHYSICAL PROPERTIES OF SOLUTIONS 1 Which of the following liquids would make a good solvent for iodine

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