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Problem
Problem
0.40 moles of magnesium are mixed with 0.20 moles of hydrochloric acid.
Mg
(
s
)
+
2
HCl
(
aq
)
→
MgCl
2
(
aq
)
+
H
2
(
g
)
\text{Mg}(\text{s}) + 2\text{HCl}(\text{aq}) \rightarrow \text{MgCl}_2(\text{aq}) + \text{H}_2(\text{g})
Mg
(
s
)
+
2
HCl
(
aq
)
→
MgCl
2
(
aq
)
+
H
2
(
g
)
Which is correct?
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