<p>Chemistry Solutions 1 1. Tell whether each speeds up or slows down the rate of solution formation: Heating, cooling, stirring, shaking, increasing surface area of a solid solute, decreasing pressure on a gaseous solute</p><p>2. In each, identify the solute and solvent: Duralumin alloy (90% Al, 9% Cu, 1% Mg),; Seawater; Soda Water; Gasohol (90% isooctane, 10% ethanol) Rubbing alcohol (70% isopropanol, 30% water)</p><p>3. Find the concentration of each solution in the desired units. A. Molarity of 2 moles of NaCl in .5L of water B. Molality of .5 moles of sucrose in 2kg of water</p><p>C. ppm of .2 moles of glucose (C6H12O6) in .25L of water D. grams per liter of 5 moles of sucrose (C12H22O11) in 1.5L of water E. Percent composition mass/mass of 10 moles of NaCl in 2L of water</p><p>4. For each problem in #3 convert the given unit of concentration to the other units: molarity, molality (assume density = 1), grams per liter, ppm, and percent composition by mass.</p><p>5. Convert the given unit to all the other units of concentration: A. 2.5M NaCl B. 90g per liter of glucose C. 25% NaOH solution D. 1m KBr</p><p>E. 10ppm Ca(OH)2</p><p>6. How many grams of KCI are needed to prepare one liter of a 3.00 molar solution?</p><p>7. How many grams of MgCl2 are needed to prepare 5.0 liters of a 2.00 M solution?</p><p>8. To make one liter of a 0.4 M BaCl2 solution, how many grams of solute are necessary?</p><p>9. How many grams of FeSO4 are used to make 400 mL of a 0.25 M solution?</p><p>10. How many grams of ZnSO4 are needed to prepare 500 mL of a 0.5 M solution?</p><p>11. How many grams of solute are needed to prepare 5.0 liters of 0.25 M Ca(NO3)2 solution?</p><p>12. Find the mass of potassium sulfate required to prepare 0.800 L of a 0.752 M solution. 13. What mass of CaCl2 is needed to prepare 0.32 L of a 0.75 M solution?</p><p>14. If 1.5 grams of Ca(OH)2 are added to 125 mL of water, what will be the molarity?</p><p>15. What is the molarity of a solution when 200 mL of water contains 5.0 grams of Na2CO3?</p><p>16. What is the molarity of a solution containing 1.96 g of H2SO4 in 50 mL of water?</p><p>17. What is the molarity of a solution containing 15 grams of KCl in 250 mL of water?</p><p>18. What is the molarity of 0.5 moles of NaOH in 2 liters?</p><p>19. Find the molarity of a solution that contains 377 g of acetone, C3H6O, in a volume of 0.762 liters.</p><p>20. What volume of water would be required to make a 0.60 M solution containing 40.0 g of CaCl2?</p>