Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 4 Stoichiometry: Quantitative Information about Chemical Reactions - Study Questions - Page 179b: 12


Calcium oxide is the limiting reactant. $68.1\ g\ NH_3$

Work Step by Step

Number of moles of the reactants: Calcium oxide: $112\ g\div 56.08\ g/mol=2.00\ mol$ Ammonium chloride: $224\ g\div 53.49\ g/mol=4.19\ mol$ Ratio: $4.19/2.00=2.09$ Calcium oxide is the limiting reactant. From stoichiometry: $2.00\ mol\times 2_{NH_3}/1_{CaO} \times 17.03\ g/mol\ NH_3=68.1\ g\ NH_3$
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