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2Mg + O2 -----> 2MgO So two moles of magnesium oxide are formed if x moles of magnesium are allowed to react with only 1 mole of oxygen molecules. The oxygen has become the limiting ingredient.

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Q: How 2 moles of Magnesium oxide are formed when 4 moles of Mg reacts with O?
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Related questions

What compounds are formed when magnesium reacts with oxygen?

Magnesium reacts with oxygen to form magnesium oxide (MgO).


Magnesium oxide reacts with sulfur trioxide?

Magnesium Oxide Reacts With Sulfur Trioxide added: Magnesium sulfate is formed: MgO + SO3 --> MgSO4


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

The formula for magnesium oxide is MgO, showing that each formula unit of magnesium oxide contains one mole of magnesium ions. Therefore, if there is ample oxygen available, 4 moles of magnesium will form 4 moles of magnesium oxide.


What is formed when magnesium is heated?

The solid formed is magnesium oxide.The gas formed is carbon dioxide.


What happens when magnesium reacts with air?

A white powdery substance is formed.It is Magnesium oxide which is formed by the reaction of magnesium with oxygen.


What is the metal which reacts oxygen to form magnesium oxide?

Magnesium is the metal which reacts with oxygen to form magnesium oxide.


What white solid is made when magnesium is burnt?

Magnesium Oxide is a compound which is formed when Oxygen from the air reacts with Magnesium to form a White powder known as Magnesium oxide ~ Hope this helped


How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen Here is the formula 2 Mg plus O 2 is equal to 2 Mg O?

From the formula, you have 2 atoms of Magnesium combine with one oxygen molecule to form 2 molecules of magnesium oxide. So when 4 magnesium atoms combine with two molecules of oxygen you get 4 magnesium oxide molecules. So from 4 moles of magnesium you get 4 moles of Magnesium oxide.


What would happen if hydrochloric acid reacts with magnesium oxide?

Magnesium Chloride and water would be formed. MgO + 2HCl ------> MgCl2 +H2O


Magnesium reacts with oxygen to form?

Magnesium reacts with oxygen to create magnesium oxide. Magnesium(Mg)+Oxygen(O2)--------> magnesium oxide(MgO) 2Mg+O2 ------>2 MgO


Magnesium reacts with steam to make magnesium oxide and...?

Hydrogen


What happens when you magnesium is heated in air?

Magnesium's mass increases as it becomes magnesium oxide.