Stoichiometry
AP Chemistry · Flashcards · Application
AP CHEMISTRY · FLASHCARDS
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QUESTION
Find the molar mass of
C
O
2
CO_2
C
O
2
.
QUESTION
Calculate the percent composition of oxygen in
H
2
O
H_2O
H
2
O
.
QUESTION
How many moles of
H
2
H_2
H
2
are needed to produce 2 moles of
N
H
3
NH_3
N
H
3
in
N
2
+
3
H
2
→
2
N
H
3
N_2 + 3H_2 \rightarrow 2NH_3
N
2
+
3
H
2
→
2
N
H
3
?
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ANSWER
3 moles. 3:2 mole ratio from balanced equation coefficients.
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