Part B Vinegar is a solution of acetic acid in water. If a 225 mL bottle of distilled vinegar contains 30.7 mL of acetic acid, what is the volume percent (v/v) of the solution? Express your answer to three significant figures. • View Available Hint(s) ? Volume percent (v/v) = % Submit Part C Calculate the mass/volume percent (m/v) of 20.0 g NaCl in 74.5 mL of solution. Express your answer to three significant figures. • View Available Hint(s) νο ΑΣφ Mass/volume percent (m/v) = % 圖

Part B Vinegar is a solution of acetic acid in water. If a 225 mL bottle of distilled vinegar contains 30.7 mL of acetic acid, what is the volume percent (v/v) of the solution? Express your answer to three significant figures. • View Available Hint(s) ? Volume percent (v/v) = % Submit Part C Calculate the mass/volume percent (m/v) of 20.0 g NaCl in 74.5 mL of solution. Express your answer to three significant figures. • View Available Hint(s) νο ΑΣφ Mass/volume percent (m/v) = % 圖

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section: Chapter Questions

Problem 127QRT

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Similar questions

6-49 A student has a stock solution of 30.0% w/v H2O2 (hydrogen peroxide). Describe how the student should prepare 250 mL of a 0.25% w/v H2O2 solution.
6-20 Give a familiar example of solutions of each of these types: (a) Liquid in liquid (b) Solid in liquid (c) Gas in liquid (d) Gas in gas
6-96 We know that a 0.89% saline (NaCI) solution is isotonic with blood. In a real-life emergency, you run out of physiological saline solution and have only KCI as a salt and distilled water. Would it be acceptable to make a 0.89% aqueous KCI solution and use it for intravenous infusion? Explain.
6-48 How many grams of solute are present in each of the following aqueous solutions? (a) 575 mL of a 2.00 M solution of nitric acid, HNO3 (b) 1.65 L of a 0.286 M solution of alanine, C3H7NO2 (c) 320 mL of a 0.0081 M solution of calcium sulfate, CaSO4
6-37 Calculate the w/v percentage of each of these solutes: (a) 623 mg of casein in 15.0 mL of milk (b) 74 mg of vitamin C in 250 mL of orange juice (c) 3.25 g of sucrose in 186 mL of coffee
6-43 The label on a sparkling cider says it contains 22.0 g glucose (C6H12O6) 190. mg K+ , and 4.00 mg Na+ per serving of 240. mL of cider. Calculate the molarities of these ingredients in the sparkling cider.
6-15 Answer true or false. (a) A solute is the substance dissolved in a solvent to form a solution. (b) A solvent is the medium in which a solute is dissolved to form a solution. (c) Some solutions can be separated into their components by filtration. (d) Acid rain is a solution.
Insulin is a hormone responsible for the regulation of glucose levels in the blood. An aqueous solution of insulin has an osmotic pressure of 2.5 mm Hg at 25C. It is prepared by dissolving 0.100 g of insulin in enough water to make 125 mL of solution. What is the molar mass of insulin?