Stoichiometry
excess
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+
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2 atoms
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4 molecules
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The amount of each reactant of the reaction above is shown. It is obvious that there is too much oxygen. Two molecules of carbon dioxide will be formed and two molecules of oxygen gas will be left unreacted.
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2
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+
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4
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6
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Which reactant is in excess?
How much of the excess reactant will be left behind?
How much hydrogen gas
will be formed?
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+
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2
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2.gif){kind=small} |
+
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12
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8
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Which reactant is in excess?
How much of the excess reactant will be left behind?
How much hydrogen gas
will be formed?
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+
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2
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+
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2
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12
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8
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Which reactant is in excess?
How much of the excess reactant will be left behind?
How many water molecules will be formed?
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2
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+
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7
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4
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+
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6
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12
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7
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Which reactant is in excess?
How much of the excess reactant will be left behind?
How many water molecules will be formed?
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2
 |
+
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2
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12
|
8
|
Which reactant is in excess?
How much of the excess reactant will be left behind?
How much carbon dioxide gas will be formed?