Asked by kasandra
If 0.81 grams of magnesium oxide are formed, how many grams of oxygen reacted
Answers
Answered by
oobleck
2Mg + O2 = 2MgO
so, how many moles of Mg in 0.81g ?
You'll need half that many moles of O2
how many grams is that?
so, how many moles of Mg in 0.81g ?
You'll need half that many moles of O2
how many grams is that?
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