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Got the following equation, the number of moles oxygen gas needed to react with 4.00 mol Mg is ___. I picked B but I’m not sure if it’s correct

Got the following equation the number of moles oxygen gas needed to react with 400 mol Mg is I picked B but Im not sure if its correct class=

Respuesta :

For this question, we should use the stichiometry of the reaction:

So, given that we have 4 mol of Mg:

So we actually need 2 moles of O2.

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