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What is the law of conservation of mass?

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 16Q Chapter 3

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 16Q

What is the law of conservation of mass?

Step-by-Step Solution:
Step 1 of 3

Solution 16Q

The law of conversion of Mass:

It states that, for an isolated system, the mass of the system is neither created nor destroyed by chemical or physical transformation.Therefore, the mass of the reactants  and mass of the products must be equal.

For example: The formation of water molecule.

2H2 (g) + O2(g) ------> 2H2O(l)

Mass of Hydrogen atom = 1.08 g

Mass of hydrogen molecule = 2 x 1.008 g = 2.016 x 2 = 4.032 g

Mass of O atom = 16 g

Mass of Oxygen molecule = 2 x 16 g = 32 g

Mass of the reactants = 4.032 + 32 g = 36.016 g

Mass of the products H2O(l) = 4 x 1.008 + 2 x 16 g = 36.016 g

Here, the mass of the reactants and products are same.

Step 2 of 3

Chapter 3, Problem 16Q is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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What is the law of conservation of mass?