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Question 22.What is the equation used to determine the mass percent of a solute in a solution?
Question 33.A precipitate _______.
Question 44.A salt is _____.
Question 55.How is solubility determined?
Question 66.What is the freezing point of a solution made by dissolving 100.0 g of sucrose (C12 H22 O11 ) into 950 g of water, where the Kf of water = 1.86 C/m, and the molar mass of sucrose = 342.2 g/mol?
Question 77.Why is vapor pressure considered to be a colligative property?
Question 88.Which of the following is NOT an example of a colligative property?
Question 99.Which of the following is true?
Question 1010.A lab technician dissolved 2 mol of X in 1 liter of water in order to make a 2 M solution. What did they do wrong?
Question 1111.Which of the following does NOT affect the rate of dissolution of a solute?
Question 1212.How much of a 16 M stock solution must you add to make 4 L of a 1 M diluted solution?
Question 1313.A solute
Question 1414.If I used 0.3 L of a stock solution to make 5 L of a 2 M diluted solution, what was the original molarity of the stock solution?
Question 1515.How does a decrease in pressure affect the solubility of gases in a liquid?
Question 1616.What happens to vapor pressure when you add a solute to a solution?
Question 1717.What is the dilution of solutions equation?
Question 1818.Which of the following is the best definition of a colligative property?
Question 1919.Using the solubility table in the lesson, which of these salts would you predict to be insoluble in water?
Suppose a solution at 50℃ contains 12g Potassium dichromate (K₂Cr₂O₇) per 100g of water.
Based on the provided solubility curve, how much additional mass of Potassium dichromate would be required to saturate the solution at the same temperature?
Question 2121.When is molality usually used?
Question 2222.What is a solute?
Question 2323.Which of the following is NOT true regarding solubility curves?
Question 2424.What is the best definition of a solution?
Question 2525.In the example, PbI2(s), the 's' symbol means ______.
Question 2626.MgCl2 and NaCl are both salts that are used to treat roads. Which salt will have the greatest effect on the freezing point and why?
Question 2727.Sodium chloride ______.
Question 2828.How many grams of CH3 OH is needed to make a 0.244 m solution in 400g of water?
Question 2929.Which of the following statements best describes a supersaturated solution?
Question 3030.What is an electrolyte?
Solutions in Chemistry Chapter Exam Instructions
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