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Chemistry

9th Edition
Steven S. Zumdahl
Publisher: Cengage Learning
ISBN: 9781133611097
BuyFind

Chemistry

9th Edition
Steven S. Zumdahl
Publisher: Cengage Learning
ISBN: 9781133611097

Solutions

Chapter
Section
Chapter 11, Problem 117CWP
Textbook Problem

A solid consists of a mixture of NaNO3 and Mg(NO3)2. When 6.50 g of the solid is dissolved in 50.0 g of water, the freezing point of the solution is lowered by 5.23°C. What is the composition by mass of the solid mixture?

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Chapter 11 Solutions

Chemistry
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Ch. 11 - Consider Fig. 10-9. According to the caption and...Ch. 11 - Once again, consider Fig. 10-9. Suppose instead of...Ch. 11 - Assume that you place a freshwater plant into a...Ch. 11 - How does Hsoln relate to deviations from Raoults...Ch. 11 - You have read that adding a solute to a solvent...Ch. 11 - You drop an ice cube (made from pure water) into a...Ch. 11 - Using the phase diagram for water and Raoults law,...Ch. 11 - You and your friend are each drinking cola from...Ch. 11 - Is molality or molarity dependent on temperature?...Ch. 11 - Consider a beaker of salt water sitting open in a...Ch. 11 - Rubbing alcohol contains 585 g isopropanol...Ch. 11 - What mass of sodium oxalate (Na2C2O4) is needed to...Ch. 11 - What volume of 0.25 M HCl solution must be diluted...Ch. 11 - What volume of a 0.580-M solution of CaCl2...Ch. 11 - Calculate the sodium ion concentration when 70.0...Ch. 11 - Write equations showing the ions present after the...Ch. 11 - Rationalize the temperature dependence of the...Ch. 11 - The weak electrolyte NH3(g) does not obey Henrys...Ch. 11 - The two beakers in the sealed container...Ch. 11 - The following plot shows the vapor pressure of...Ch. 11 - When pure methanol is mixed with water, the...Ch. 11 - Detergent molecules can stabilize the emulsion of...Ch. 11 - For an acid or a base, when is the normality of a...Ch. 11 - In order for sodium chloride to dissolve in water,...Ch. 11 - Which of the following statements is(are) true?...Ch. 11 - Is the following statement true or false? Explain...Ch. 11 - Explain the terms isotonic solution, crenation,...Ch. 11 - What is ion pairing?Ch. 11 - A solution of phosphoric acid was made by...Ch. 11 - An aqueous antifreeze solution is 40.0% ethylene...Ch. 11 - Common commercial acids and bases are aqueous...Ch. 11 - In lab you need to prepare at least 100 mL of each...Ch. 11 - A solution is prepared by mixing 25 mL pentane...Ch. 11 - A solution is prepared by mixing 50.0 mL toluene...Ch. 11 - A bottle of wine contains 12.5% ethanol by volume....Ch. 11 - Calculate the molarity and mole fraction of...Ch. 11 - A 1.37 -M solution of citric acid (H3C6H5O7) in...Ch. 11 - Calculate the normality of each of the following...Ch. 11 - The lattice energy of NaI is 686 kJ/mol, and the...Ch. 11 - a. Use the following data to calculate the...Ch. 11 - Although Al(OH)3 is insoluble in water, NaOH is...Ch. 11 - The high melting points of ionic solids indicate...Ch. 11 - Which solvent, water or carbon tetrachloride,...Ch. 11 - Which solvent, water or hexane (C6H14), would you...Ch. 11 - For each of the following pairs, predict which...Ch. 11 - Which ion in each of the following pairs would you...Ch. 11 - Rationalize the trend in water solubility for the...Ch. 11 - In flushing and cleaning columns used in liquid...Ch. 11 - The solubility of nitrogen in water is 8.21 104...Ch. 11 - Calculate the solubility of O2 in water at a...Ch. 11 - Glycerin, C3H8O3, is a nonvolatile liquid. What is...Ch. 11 - The vapor pressure of a solution containing 53.6 g...Ch. 11 - The normal boiling point of diethyl ether is...Ch. 11 - At a certain temperature, the vapor pressure of...Ch. 11 - A solution is made by dissolving 25.8 g urea...Ch. 11 - A solution of sodium chloride in water has a vapor...Ch. 11 - Pentane (C5H12) and hexane (C6H14) form an ideal...Ch. 11 - A solution is prepared by mixing 0.0300 mole of...Ch. 11 - What is the composition of a methanol...Ch. 11 - Benzene and toluene form an ideal solution....Ch. 11 - Which of the following will have the lowest total...Ch. 11 - Which of the choices in Exercise 61 has the...Ch. 11 - Match the vapor pressure diagrams with the...Ch. 11 - The vapor pressures of several solutions of...Ch. 11 - A solution is prepared by dissolving 27.0 g urea,...Ch. 11 - A 2.00-g sample of a large biomolecule was...Ch. 11 - What mass of glycerin (C3H8O3), a nonelectrolyte,...Ch. 11 - The freezing point of 1-butanol is 25.50C and Kf...Ch. 11 - Calculate the freezing point and boiling point of...Ch. 11 - What volume of ethylene glycol (C2H6O2), a...Ch. 11 - Reserpine is a natural product isolated from the...Ch. 11 - A solution contains 3.75 g of a nonvolatile pure...Ch. 11 - a. Calculate the freezing-point depression and...Ch. 11 - Erythrocytes are red blood cells containing...Ch. 11 - An aqueous solution of 10.00 g of catalase, an...Ch. 11 - A 0.15-g sample of a purified protein is dissolved...Ch. 11 - How would you prepare 1.0 L of an aqueous solution...Ch. 11 - How would you prepare 1.0 L of an aqueous solution...Ch. 11 - Consider the following solutions: 0.010 m Na3PO4...Ch. 11 - From the following: pure water solution of...Ch. 11 - Calculate the freezing point and the boiling point...Ch. 11 - A water desalination plant is set up near a salt...Ch. 11 - Determine the vant Hoff factor for the following...Ch. 11 - Consider the following representations of an ionic...Ch. 11 - Calculate the freezing point and the boiling point...Ch. 11 - Calculate the freezing point and the boiling point...Ch. 11 - Use the following data for three aqueous solutions...Ch. 11 - The freezing-point depression of a 0.091-m...Ch. 11 - In the winter of 1994, record low temperatures...Ch. 11 - A 0.500-g sample of a compound is dissolved in...Ch. 11 - The solubility of benzoic acid (HC7H5O2), is 0.34...Ch. 11 - Given the following electrostatic potential...Ch. 11 - In Exercise 96 in Chapter 8, the pressure of CO2...Ch. 11 - Explain the following on the basis of the behavior...Ch. 11 - The term proof is defined as twice the percent by...Ch. 11 - At 25C, the vapor in equilibrium with a solution...Ch. 11 - For each of the following solute-solvent...Ch. 11 - A solution is made by mixing 50.0 g acetone...Ch. 11 - If the fluid inside a tree is about 0.1 M more...Ch. 11 - Thyroxine, an important hormone that controls the...Ch. 11 - If the human eye has an osmotic pressure of 8.00...Ch. 11 - An unknown compound contains only carbon,...Ch. 11 - Consider the following: What would happen to the...Ch. 11 - Consider an aqueous solution containing sodium...Ch. 11 - What stabilizes a colloidal suspension? Explain...Ch. 11 - The freezing point of an aqueous solution is ...Ch. 11 - Specifications for lactated Ringers solution,...Ch. 11 - Patients undergoing an upper gastrointestinal...Ch. 11 - A solution is prepared by dissolving 52.3 g cesium...Ch. 11 - The lattice energy of NaCl is 786 kJ/mol, and the...Ch. 11 - For each of the following pairs, predict which...Ch. 11 - The normal boiling point of methanol is 64.7C. A...Ch. 11 - A solution is prepared by mixing 1.000 mole of...Ch. 11 - The molar mass of a non electrolyte is 58.0 g/mol....Ch. 11 - A 4.7 102 mg sample of a protein is dissolved in...Ch. 11 - A solid consists of a mixture of NaNO3 and...Ch. 11 - The vapor pressure of pure benzene is 750.0 torr...Ch. 11 - Liquid A has vapor pressure x, and liquid B has...Ch. 11 - Plants that thrive in salt water must have...Ch. 11 - You make 20.0 g of a sucrose (C12H22O11) and NaCl...Ch. 11 - An aqueous solution is 1.00% NaCl by mass and has...Ch. 11 - The vapor in equilibrium with a pentane-hexane...Ch. 11 - A forensic chemist is given a white solid that is...Ch. 11 - A 1.60-g sample of a mixture of naphthalene...Ch. 11 - A solid mixture contains MgCl2 and NaCl. When...Ch. 11 - Formic acid (HCO2H) is a monoprotic acid that...Ch. 11 - You have a solution of two volatile liquids, A and...Ch. 11 - In some regions of the southwest United States,...Ch. 11 - Creatinine, C4H7N3O, is a by-product of muscle...Ch. 11 - An aqueous solution containing 0.250 mole of Q, a...Ch. 11 - Anthraquinone contains only carbon, hydrogen, and...

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