Concept explainers
Interpretation: The number of moles and mass in grams produced of each product in the following reaction needs to be calculated when 20.0 g of each pure hydrazine and pure oxygen are used:
Concept introduction: The ratio of mass of substance to its molar mass is said to be number of moles of that substance.
Answer to Problem 61A
The number of moles and mass in grams produced of each product in the reaction is:
Explanation of Solution
The balanced complete chemical equation for the reaction of hydrazine with oxygen is:
The number of moles of both the reactants,
The molar mass of
Putting the values:
From the balanced chemical reaction, the mole ratio of iron and sulfur is 1:1 so, the limiting reactant is
Now, the mass of each products,
The molar mass of
Hence, the number of moles and mass in grams produced of each product in the given reaction is:
Chapter 9 Solutions
World of Chemistry, 3rd edition
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