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Chemistry
Chemistry
Problem
n
n
n
-factor of
M
n
2
O
7
Mn_2O_7
M
n
2
O
7
in the change :
2
M
n
2
O
7
⟶
4
M
n
O
2
+
3
O
2
2Mn_2O_7 \longrightarrow 4MnO_2 + 3O_2
2
M
n
2
O
7
⟶
4
M
n
O
2
+
3
O
2
is .....
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