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Homework 10 1. What is the molarity of a solution made by dissolving 475 g of C12H22O11 (342.22 g/mol) in enough water to make 8500. mL solution? 2. What is the mass of NaCl dissolved in 2.5 L of a 1.26M solution of NaCl? 3. What is the volume, in L, of a .500M NaCl solution that contains 17.5g of NaCl? 4. Water is added to 25.0 mL of a 0.866M KNO3 solution until the volume of the solution is exactly 500. mL. What is the concentration of the final solution? How much water was added? 5. What is the molality of a solution that contains 4.220 grams of potassium sulfate and 250. g of water? 6. How many kilograms of water must be added to 54.1g of sodium iodide to make a 4.52m sodium bromide solution? 7. Given the following reaction: H2SO4 + NaOH → Na2SO4 + H2O a) Balance the following reaction. b) Calculate the volume in L of 1.50 M sulfuric
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