(43) How many moles of the excess reagent remain unreacted? [1] 1 mol [2] 2 mol [3] 4 mol [4] 5 mol?

Update:

The balanced reaction:   

  

2Mg + O2 → 2MgO   

  

In the above reaction, 2 moles of Mg and 5 moles of O2 are allowed to react. 

1 Answer

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  • Anonymous
    9 months ago

    Depends on the Rx and how much of each you started out with.

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