PROPERTIES OF SOLUTIONS PRELAB QUESTIONS NAME Carefully read the discussion and the procedures for each part of the experiment in order to complete the questions below: 1. Osmotic Behavior of Animal Cells: Red Blood Cells. Predict the appearance/behavior of red blood cells when placed in: Distilled water: 0.9% NaCl: 10% NaCl 2. The diagrams below represent three microscopic fields containing cells of a freshwater protist. Arrows show the direction of net osmosis. Identify which field contains each solution indicated below. Use the letters of the fields of view as your choices and place them in the blanks. a. Which field contains an isotonic extracellular solution? b. Which field contains a hypertonic extracellular solution? c. Which field contains a hypotonic extracellular solution? (A) (В) (C) НО Н2О H.O 101

PROPERTIES OF SOLUTIONS PRELAB QUESTIONS NAME Carefully read the discussion and the procedures for each part of the experiment in order to complete the questions below: 1. Osmotic Behavior of Animal Cells: Red Blood Cells. Predict the appearance/behavior of red blood cells when placed in: Distilled water: 0.9% NaCl: 10% NaCl 2. The diagrams below represent three microscopic fields containing cells of a freshwater protist. Arrows show the direction of net osmosis. Identify which field contains each solution indicated below. Use the letters of the fields of view as your choices and place them in the blanks. a. Which field contains an isotonic extracellular solution? b. Which field contains a hypertonic extracellular solution? c. Which field contains a hypotonic extracellular solution? (A) (В) (C) НО Н2О H.O 101

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter11: Properties Of Solutions

Section: Chapter Questions

Problem 111AE: An unknown compound contains only carbon, hydrogen, and oxygen. Combustion analysis of the compound...

See similar textbooks

Similar questions

A solution is 4.00% (by mass) maltose and 96.00% water. It freezes at 0.229 C. (a) Calculate the molar mass of maltose (which is not an ionic compound). (b) The density of the solution is 1.014 g/mL Calculate the osmotic pressure of the solution.
Which is are part of the macroscopic domain of solutions and which is are part of the microscopic domain: boiling point elevation, Henry's law, hydrogen bond, ion-dipole attraction, molarity, nonelectrolyte, nonstoichiometric compound, osmosis, solvated ion?
An aqueous solution made up of 32.47 g of iron(III) chloride in 100.0 mL of solution has a density of 1.249 g/mL at 25C. Calculate its (a) molarity. (b) molality. (c) osmotic pressure at 25C (assume i=4). (d) freezing point.
You have two aqueous solutions separated by a semipermeable membrane. One contains 5.85 g of NaCl dissolved in 100. mL of solution, and the other contains 8.88 g of KNO3 dissolved in 100. mL of solution. In which direction will solvent flow: from the NaCl solution to the KNO3 solution, or from KNO3 to NaCl? Explain briefly.
From the data presented in Figure 12.11, determine which has the more positive enthalpy of solution: NaCl or NH4Cl. Explain.
Beaker A has 1.00 mol of chloroform, CHCl3, at 27C. Beaker B has 1.00 mol of carbon tetrachloride, CCl4, also at 27C. Equal masses of a nonvolatile, nonreactive solute are added to both beakers. In answering the questions below, the following data may be helpful. Write , =, or more information needed in the blanks provided. (a) Vapor pressure of solvent over beaker B vapor pressure of solvent over beaker A. (b) Boiling point of solution in beaker A boiling point of solution in beaker B. (c) Vapor pressure of pure CHCl3 vapor pressure of solvent over beaker A. (d) Vapor pressure lowering of solvent in beaker A vapor pressure lowering of solvent in beaker B. (e) Mole fraction of solute in beaker A mole fraction of solute in beaker B.
An unknown compound contains only carbon, hydrogen, and oxygen. Combustion analysis of the compound gives mass percents of 31.57% C and 5.30% H. The molar mass is determined by measuring the freezing-point depression of an aqueous solution. A freezing point of 5.20C is recorded for a solution made by dissolving 10.56 g of the compound in 25.0 g water. Determine the empirical formula, molar mass, and molecular formula of the compound. Assume that the compound is a nonelectrolyte.