For what reason is the solubility of gaseous ammonia (NH3) significantly higher than that of hydrogen gas (H2) at the same temperature and pressure? a. Ammonia is an inorganic (carbon-free) molecule b. Because they are both polar

19. Use this solubility graph to answer the question below Solubility Graph 240 220 200 180 Key O Substance 1 • Substance 2 o Substance 3 A Substance 4 160 140 120 100 80 60 40 20 10 20 30 40 50 60 70 80 90100 Temperature (C) Which substances will form an unsaturated solution when a 60-gram sample of the substance is stirred into 100 g of water at 40°C? a. Substance 1 only b. Substance 4 only c. Substance 1 and 4 d. Substance 2 and 3 MacBook A Solubility (grams per 100 g of water)

Match the following terms with the deTinitions A. homogeneous mixture of solute(s) and solvent B. the amount of a substance required to form a saturated solution with a specific amount of solvent at a specified temperature v Solution v Solute v Solvent v Electrolyte v Nonelectrolyte Solubility C. a substance that dissolves in water to give a solution that does not conduct an electric current v Saturated solution D. the part of the solution that gets dissolved v Unsaturated solution E. a substance that dissolves in water to glve a solution that.conducts electric current Concentration calculation relates moles of solute to liters of solution "Like dissolves like" rule F. solute and solvent form solutlon when their polarity is siilar G.a solution that is holding all of the solute possible H. the part of the solution that does the dissalving a solution that contains less solute than a saturated solution under the existing conditions J. Molarity

1. Find the mass percent of CaCl2 (110.98 g/mol) in a solution whose molarity is 1.45 M and whose density is 1.12 g/mL.   2. A 3.140 molal solution of NaCl is prepared. How many grams of NaCl (58.44 g/mol) are present in a sample containing 1.994 kg of water?