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Why is reaction stoichiometry important? Cite some

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

Solution for problem 1Q Chapter 8

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 1Q

PROBLEM 1Q

Why is reaction stoichiometry important? Cite some examples in your answer.

Step-by-Step Solution:

Solution 1Q

Step 1:

Stoichiometry is important because it explains the relationships of reactants and products in chemical reactions. Without stoichiometry, it would be impossible to determine how much of a certain chemical is needed to yield a result or what molar amounts of each reactant and product are present in a completed reaction.

Step 2:

Thus stoichiometry allows us to make predictions about the outcomes of chemical reactions

For example if we are asked to find the mass of Zn required to produce 11.2 litres of H2 we can easily predict it with the help of the reaction given below

Zn +H2SO4--------->ZnSO4 +H2

Since from the stoichiometry we know 1 mole or 65 grams of Zn gives 1 mole or 22.4 litres of H2,

Thus the mass of Zn required to produce 11.2 litres will be =32.5 grams

Step 3 of 3

Chapter 8, Problem 1Q is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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Why is reaction stoichiometry important? Cite some

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