Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781337399074

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781337399074


Chapter 13, Problem 61GQ
Textbook Problem

If you want a solution that is 0.100 m in ions, what mass of Na2SO4 must you dissolve in 125 g of water? (Assume total dissociation of the ionic solid.)

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Chapter 13 Solutions

Chemistry & Chemical Reactivity
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Ch. 13.1 - (a) If you dissolve 10.0 g (about one heaping...Ch. 13.2 - Use the data in Table 13.1 to calculate the...Ch. 13.3 - What is the concentration of CO2 in water at 25 C...Ch. 13.4 - Assume you dissolve 10.0 g of sucrose (C12H22O11)...Ch. 13.4 - What quantity of ethylene glycol, HOCH2CH2OH, must...Ch. 13.4 - In the northern United States, summer cottages are...Ch. 13.4 - Bradykinin is a small peptide (9 amino acids; 1060...Ch. 13.4 - An aluminum-containing compound has the empirical...Ch. 13.4 - A 1.40-g sample of polyethylene, a common plastic,...Ch. 13.4 - Calculate the freezing point of 525 g of water...Ch. 13.5 - The blue line on the diagram illustrates the...Ch. 13.5 - How many theoretical plates are required to...Ch. 13.5 - What is the mass percent of hexane in a mixture...Ch. 13.5 - The vapor pressure of pure heptane is 361.5 mm Hg...Ch. 13.5 - If the headspace of a soda is 25 mL and the...Ch. 13.5 - If the CO2 in the headspace escapes into the...Ch. 13.5 - What is the solubility of CO2 in water at 25 C...Ch. 13.5 - After opening a 1.0 L soda, what mass of the...Ch. 13.5 - Calculate the external pressure experienced by a...Ch. 13.5 - At a depth of 20 meters the pressure is about 3.0...Ch. 13.5 - A 1.0 L sample of water is shaken in air to allow...Ch. 13 - You dissolve 2.56 g of succinic acid, C2H4(CO2H)2,...Ch. 13 - You dissolve 45.0 g of camphor, C10H16O, in 425 mL...Ch. 13 - Fill in the blanks in the table. 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(a) What must be the total...Ch. 13 - A 2.00% solution of H2SO4 in water freezes at...Ch. 13 - A compound is known to be a potassium halide, KX....Ch. 13 - You are given a flask filled with a colored...Ch. 13 - If one is very careful, it is possible to float a...Ch. 13 - A solution of benzoic acid in benzene has a...Ch. 13 - You dissolve 5.0 mg of iodine, I2, in 25 mL of...Ch. 13 - A solution of 5.00 g of acetic acid in 100. g of...Ch. 13 - In a police forensics lab, you examine a package...Ch. 13 - An organic compound contains carbon (71.17%),...Ch. 13 - In chemical research we often send newly...Ch. 13 - When sails of Mg2+, Ca2+, and Be2+ are placed in...Ch. 13 - Explain why a cucumber shrivels up when it is...Ch. 13 - If you dissolve equal molar amounts of NaCl and...Ch. 13 - A 100.-gram sample of sodium chloride (NaCl) is...Ch. 13 - Which of the following substances is/are likely to...Ch. 13 - Account for the fact that alcohols such as...Ch. 13 - Starch contains CC, CH, CO, and OH bonds....Ch. 13 - Which substance would have the greater influence...Ch. 13 - You have two aqueous solutions separated by a...Ch. 13 - A protozoan (single-celled animal) that normally...Ch. 13 - Sodium chloride (NaCl) is commonly used to melt...Ch. 13 - Review the trend in values of the vant Holt factor...Ch. 13 - The table below gives experimentally determined...Ch. 13 - It is interesting how the Fahrenheit temperature...

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