Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3(s)KClO3(s) . The equation for the reaction is 2KClO3⟶2KCl+3O22KClO3⟶2KCl+3O2 Calculate how many grams of O2(g)O2(g) can be produced from heating 68.0 g KClO3(s)68.0 g KClO3(s) . STRATEGY: Convert the mass of KClO3KClO3 to moles. Convert the number of moles of KClO3KClO3 to the number of moles of O2O2 . Convert the number of moles of O2O2 to grams. Step 1: 68.0 g KClO368.0 g KClO3 is equal to 0.555 mol KClO30.555 mol KClO3 . Step 2: If 0.555 mol KClO30.555 mol KClO3 reacted, how much O2O2 was produced?
Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3(s)KClO3(s) . The equation for the reaction is 2KClO3⟶2KCl+3O22KClO3⟶2KCl+3O2 Calculate how many grams of O2(g)O2(g) can be produced from heating 68.0 g KClO3(s)68.0 g KClO3(s) . STRATEGY: Convert the mass of KClO3KClO3 to moles. Convert the number of moles of KClO3KClO3 to the number of moles of O2O2 . Convert the number of moles of O2O2 to grams. Step 1: 68.0 g KClO368.0 g KClO3 is equal to 0.555 mol KClO30.555 mol KClO3 . Step 2: If 0.555 mol KClO30.555 mol KClO3 reacted, how much O2O2 was produced?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 63QRT
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Question
Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3(s)KClO3(s) . The equation for the reaction is
2KClO3⟶2KCl+3O22KClO3⟶2KCl+3O2
Calculate how many grams of O2(g)O2(g) can be produced from heating 68.0 g KClO3(s)68.0 g KClO3(s) .
STRATEGY:
-
Convert the mass of KClO3KClO3 to moles.
-
Convert the number of moles of KClO3KClO3 to the number of moles of O2O2 .
-
Convert the number of moles of O2O2 to grams.
Step 1: 68.0 g KClO368.0 g KClO3 is equal to 0.555 mol KClO30.555 mol KClO3 .
Step 2: If 0.555 mol KClO30.555 mol KClO3 reacted, how much O2O2 was produced?
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