World of Chemistry, 3rd edition
3rd Edition
ISBN: 9781133109655
Author: Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher: Brooks / Cole / Cengage Learning
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Chapter 2, Problem 4A
Interpretation Introduction
Interpretation: The given statement that compound always has the same composition needs to be explained.
Concept introduction: Chemical composition can be defined as the arrangement, ratio, and type of atoms in molecules of chemical substances. A property of the substance is determined by its chemical composition.
Expert Solution & Answer
Answer to Problem 4A
All samples of a compound have the same composition means all samples have the same proportion, by mass, of the elements present in the compound.
Explanation of Solution
For example, consider ethanol
If you make any variation like changing the number of atoms or replacing some atoms with other atoms then you have something different.
Take one more example, water is made up of two hydrogen (H) elements and one oxygen (O) atom. Whether it is bore-well or sea purified water samples will also have the same compositions in the same ratio.
Conclusion
All samples of a compound have the same composition means all samples have the same proportion, by mass, of the elements present in the compound.
Chapter 2 Solutions
World of Chemistry, 3rd edition
Ch. 2.1 - Prob. 1RQCh. 2.1 - Prob. 2RQCh. 2.1 - Prob. 3RQCh. 2.2 - Prob. 1RQCh. 2.2 - Prob. 2RQCh. 2.2 - Prob. 3RQCh. 2.2 - Prob. 4RQCh. 2.2 - Prob. 5RQCh. 2.3 - Prob. 1RQCh. 2.3 - Prob. 2RQ
Ch. 2.3 - Prob. 3RQCh. 2.3 - Prob. 4RQCh. 2.3 - Prob. 5RQCh. 2.3 - Prob. 6RQCh. 2.3 - Prob. 7RQCh. 2 - Prob. 1ACh. 2 - Prob. 2ACh. 2 - Prob. 3ACh. 2 - Prob. 4ACh. 2 - Prob. 5ACh. 2 - Prob. 6ACh. 2 - Prob. 7ACh. 2 - Prob. 8ACh. 2 - Prob. 9ACh. 2 - Prob. 10ACh. 2 - Prob. 11ACh. 2 - Prob. 12ACh. 2 - Prob. 13ACh. 2 - Prob. 14ACh. 2 - Prob. 15ACh. 2 - Prob. 16ACh. 2 - Prob. 17ACh. 2 - Prob. 18ACh. 2 - Prob. 19ACh. 2 - Prob. 20ACh. 2 - Prob. 21ACh. 2 - Prob. 22ACh. 2 - Prob. 23ACh. 2 - Prob. 24ACh. 2 - Prob. 25ACh. 2 - Prob. 26ACh. 2 - Prob. 27ACh. 2 - Prob. 28ACh. 2 - Prob. 29ACh. 2 - Prob. 30ACh. 2 - Prob. 1STPCh. 2 - Prob. 2STPCh. 2 - Prob. 3STPCh. 2 - Prob. 4STPCh. 2 - Prob. 5STPCh. 2 - Prob. 6STPCh. 2 - Prob. 7STPCh. 2 - Prob. 8STPCh. 2 - Prob. 9STPCh. 2 - Prob. 10STPCh. 2 - Prob. 11STPCh. 2 - Prob. 12STP
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