How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen? this is the formula for the reaction:?

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01-11-2017
Chemistry

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How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen? this is the formula for the reaction:?

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daijingyi722 daijingyi722 · Answer 1 · 2017-11-01T06:14:08+01:00

daijingyi722 daijingyi722

01-11-2017

Mg + O2(o is a diatomic element)⇒ Mg O(UNBALANCED)
Mg is +2, o is -2, so MgO is the product.
BALANCED EQUATION : 2Mg + O2 ⇒ 2MgO
There are 4 moles of magnesium, so there should be 4/2*2=4 moles of oxygen, and the product will have 4+4=8 moles.
there will be 8 moles of magnesium oxide.

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