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1. A certain compound is accidentally synthesized by a chemist in a laboratory set-up. He discovers that it is consist of 74.0 % mercury and 26.0 % chlorine. Determine the empirical formula of the compound if we assume that 100 g of the compound is produced. Molar mass: Hg= 200.6 g/mol, Cl- 35.3 g/mol 2. Determine the empirical formula of a compound having the following percent composition by mass: K: 24.75%; Mn: 34.77%; O: 40.51%. Molar mass: 0- 15.99 g/mol, K= 39.09 g/mol, Mn- 54.94 g/mol

1. A certain compound is accidentally synthesized by a chemist in a laboratory set-up. He discovers that it is consist of 74.0 % mercury and 26.0 % chlorine. Determine the empirical formula of the compound if we assume that 100 g of the compound is produced. Molar mass: Hg= 200.6 g/mol, Cl- 35.3 g/mol 2. Determine the empirical formula of a compound having the following percent composition by mass: K: 24.75%; Mn: 34.77%; O: 40.51%. Molar mass: 0- 15.99 g/mol, K= 39.09 g/mol, Mn- 54.94 g/mol

Chemistry
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
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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Activity 3. Directions: Perform the needed calculations for these problems. 1. A certain compound is accidentally synthesized by a chemist in a laboratory set-up. He discovers that it is consist of 74.0 % mercury and 26.0 % chlorine. Determine the empirical formula of the compound if we assume that 100 g of the compound is produced. Molar mass: Hg= 200,6 g/mol, Cl= 35.3 g/mol 2. Determine the empirical formula of a compound having the following percent composition by mass: K: 24.75%; Mn: 34.77%; O: 40.51%. Molar mass: O= 15.99 g/mol, K= 39.09 g/mol, Mn= 54.94 g/mol 3.Allicin is a compound known to be the cause of the distinct smell of garlic. If an analysis of the compound gives the following percent composition by mass: C: 44.4%; H: 6.21%; S: 39.5%; O: 9.86%. Determine its empirical formula. Molar mass: C= 12.0 g/mol, H= 1.0 g/mol, S-32.07 g/mol, O= 15.99 g/mol 4. Monosodium glutamate (MSG) which is also known as "vetsin" is a common food flavor enhancer used in both Filipino and Chinese cuisines. MSG has the following composition by mass: 35.51% C, 4.77% H, 37.85% o, 8.29% N, and 13.60% Na. Determine the empirical formula of vetsin. Molar mass: C= 12.0 g/mol, H= 1.0 g/mol , N=14.0 g/mol, O= 15.99 g/mol, Na= 22.99 g/mol
Transcribed Image Text:Activity 3. Directions: Perform the needed calculations for these problems. 1. A certain compound is accidentally synthesized by a chemist in a laboratory set-up. He discovers that it is consist of 74.0 % mercury and 26.0 % chlorine. Determine the empirical formula of the compound if we assume that 100 g of the compound is produced. Molar mass: Hg= 200,6 g/mol, Cl= 35.3 g/mol 2. Determine the empirical formula of a compound having the following percent composition by mass: K: 24.75%; Mn: 34.77%; O: 40.51%. Molar mass: O= 15.99 g/mol, K= 39.09 g/mol, Mn= 54.94 g/mol 3.Allicin is a compound known to be the cause of the distinct smell of garlic. If an analysis of the compound gives the following percent composition by mass: C: 44.4%; H: 6.21%; S: 39.5%; O: 9.86%. Determine its empirical formula. Molar mass: C= 12.0 g/mol, H= 1.0 g/mol, S-32.07 g/mol, O= 15.99 g/mol 4. Monosodium glutamate (MSG) which is also known as "vetsin" is a common food flavor enhancer used in both Filipino and Chinese cuisines. MSG has the following composition by mass: 35.51% C, 4.77% H, 37.85% o, 8.29% N, and 13.60% Na. Determine the empirical formula of vetsin. Molar mass: C= 12.0 g/mol, H= 1.0 g/mol , N=14.0 g/mol, O= 15.99 g/mol, Na= 22.99 g/mol
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