7) Determine the molarity of the following solution: 4.35 moles of KMNO4 are dissolved in enough water to give 750 mL of solution. A. 5.0 M B. 3.9 M C. 5.8 M D. 8.5 M
7) Determine the molarity of the following solution: 4.35 moles of KMNO4 are dissolved in enough water to give 750 mL of solution. A. 5.0 M B. 3.9 M C. 5.8 M D. 8.5 M
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
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Chapter3: Mass Relations In Chemistry; Stoichiometry
Section: Chapter Questions
Problem 22QAP: An experiment calls for a 0.4500 M solution of aluminum carbonate. The storeroom has only 32.00 g of...
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![7) Determine the molarity of the following solution: 4.35 moles of KMnO4 are dissolved in
enough water to give 750 mL of solution.
A. 5.0 M
В. 3.9 М
С. 5.8 М
D. 8.5 M
8) What is the molarity of a solution made with 126.32 g of sodium hydroxide (NAOH) dissolved
to make 874.2 mL of a solution?
A. 3.713 M
B. 4.623 M
C. 3.613 M
D. 6.3313 M
9) A solution is prepared by mixing 100.0 g of water, H2O, and 100.0 g of ethanol, CH5OH.
Determine the mole fraction of water.
A. 0.7188
B. 0.2832
C. 0.2812
D. 0.7190
10) What is the mole fraction of ethanol in no.9?
A. 0.7188
B. 0.2832
C. 0.2812
D. 0.7190
11) Calculate the molality of 25.0 grams of KBr dissolved in 750.0 mL pure water.
A. 0.271 m
B. 0.280 m
C. 0.290 m
D. 0. 285 m
12) Calculate the molality of a solution containing 16.5 g of dissolved naphthalene (C10H8) in
54.3 g benzene (C6H6).
A. 0.247 m
B. 0.227 m
C. 0.228 m
D. 0.237 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0ba2fd98-38df-40ce-9aaa-6b81c8bd8190%2Fdd6ca203-a671-4ee9-81d9-12b72595d1d5%2Fqdfgg6w_processed.jpeg&w=3840&q=75)
Transcribed Image Text:7) Determine the molarity of the following solution: 4.35 moles of KMnO4 are dissolved in
enough water to give 750 mL of solution.
A. 5.0 M
В. 3.9 М
С. 5.8 М
D. 8.5 M
8) What is the molarity of a solution made with 126.32 g of sodium hydroxide (NAOH) dissolved
to make 874.2 mL of a solution?
A. 3.713 M
B. 4.623 M
C. 3.613 M
D. 6.3313 M
9) A solution is prepared by mixing 100.0 g of water, H2O, and 100.0 g of ethanol, CH5OH.
Determine the mole fraction of water.
A. 0.7188
B. 0.2832
C. 0.2812
D. 0.7190
10) What is the mole fraction of ethanol in no.9?
A. 0.7188
B. 0.2832
C. 0.2812
D. 0.7190
11) Calculate the molality of 25.0 grams of KBr dissolved in 750.0 mL pure water.
A. 0.271 m
B. 0.280 m
C. 0.290 m
D. 0. 285 m
12) Calculate the molality of a solution containing 16.5 g of dissolved naphthalene (C10H8) in
54.3 g benzene (C6H6).
A. 0.247 m
B. 0.227 m
C. 0.228 m
D. 0.237 m
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