(43) How many moles of the excess reagent remain unreacted?  1 mol  2 mol  4 mol  5 mol?
The balanced reaction:
2Mg + O2 → 2MgO
In the above reaction, 2 moles of Mg and 5 moles of O2 are allowed to react.
- Anonymous9 months ago
Depends on the Rx and how much of each you started out with.
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