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Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
ISBN: 9781305079243

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BuyFindarrow_forward

Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
ISBN: 9781305079243
Textbook Problem

Explain the law of conservation of mass, the law of definite proportion, and the law of multiple proportions.

Interpretation Introduction

Interpretation: The law of conservation of mass, the law of definite proportion and the law of multiple proportions is to be explained.

Concept introduction: The law of conservation of mass states that the mass can neither be created nor be destroyed, the law of definite proportion states that a particular chemical compound always contains its component elements in fixed ratio by masses and does not depend upon sources and method of preparation and the law of multiple proportions states that when two elements combine with each other to form two or more compound then the ratios of the masses of one element that combines with the fixed mass of other element are simple whole number.

Explanation

Explanation

The law of conservation of mass is that mass can neither be created nor be destroyed means in closed system the amount of reactant and product is always constant. Further it can be explained with the help a very basic chemical reaction between 1 molecule of Hydrogen with 112 molecule of Oxygen. When these two molecules react under heat it gives one molecule of water (H2O) The molecular weight of Hydrogen is 2 and the that of Oxygen is 8, which on mixing produces 10 units, which is the molecular weight of the Water molecule. So it verifies the Law of conservation of mass.

The law of definite proportion is that the particular compound contains component elements in the same proportion of elements by masses. Further it can be explained with the help a given example of Sodium Chloride

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