13. Determine the molality of a 3.050 M solution of NaCl at 25o C, given that the density of the solution is 1.11401 g/mL at this temperature. A) 3.259 m B) 3.050 m C) 2.934 m D) 2.738 m E) 0.1600 m Part B) What is the percentage by mass of NaCl for the solution. A) 14.22% B) 16.00 % C) 17.8% D) 19.05% E) 21.02% Part C) What is the concentration of NaCl in units of ppm? A) 16,000 ppm B) 17,800 ppm C) 19,050 ppm D) 160,000 ppm E) 190,500 ppm Part D) What is its concentration in units of mole percent NaCl? A) 3.75% B) 5.55% C) 5.87% D) 6.10% E) 16.0%
13. Determine the molality of a 3.050 M solution of NaCl at 25o C, given that the density of the solution is 1.11401 g/mL at this temperature. A) 3.259 m B) 3.050 m C) 2.934 m D) 2.738 m E) 0.1600 m Part B) What is the percentage by mass of NaCl for the solution. A) 14.22% B) 16.00 % C) 17.8% D) 19.05% E) 21.02% Part C) What is the concentration of NaCl in units of ppm? A) 16,000 ppm B) 17,800 ppm C) 19,050 ppm D) 160,000 ppm E) 190,500 ppm Part D) What is its concentration in units of mole percent NaCl? A) 3.75% B) 5.55% C) 5.87% D) 6.10% E) 16.0%
Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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13. Determine the molality of a 3.050 M solution of NaCl at 25o C, given that the density of the solution is 1.11401 g/mL at this temperature.
A) 3.259 m B) 3.050 m C) 2.934 m D) 2.738 m E) 0.1600 m
Part B) What is the percentage by mass of NaCl for the solution.
A) 14.22% B) 16.00 % C) 17.8% D) 19.05% E) 21.02%
Part C) What is the concentration of NaCl in units of ppm?
A) 16,000 ppm B) 17,800 ppm C) 19,050 ppm D) 160,000 ppm E) 190,500 ppm
Part D) What is its concentration in units of mole percent NaCl?
A) 3.75% B) 5.55% C) 5.87% D) 6.10% E) 16.0%
Expert Solution
Step 1
Given,
molarity of solution = 3.050 M
density = 1.11491 g/mL
Formula weight of NaCl = 58.5 g/mol
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