Magnesium reacts with iron(III) chloride to form magnesium chloride (which can be used in fireproofing wood and in disinfectants) and iron.  A mixture of 43.5 g Mg and 173 g iron(III) chloride is allowed to react.  What is the limiting reactant and what is the mass, in grams, of the excess reactant remains?   Choose the chemical that is limiting, then choose the amount of reactant that remains.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
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Magnesium reacts with iron(III) chloride to form magnesium chloride (which can be used in fireproofing wood and in disinfectants) and iron.  A mixture of 43.5 g Mg and 173 g iron(III) chloride is allowed to react.  What is the limiting reactant and what is the mass, in grams, of the excess reactant remains?

 

Choose the chemical that is limiting, then choose the amount of reactant that remains.

 

   

4.6g remain

   

38.9g remain

   

FeCl3

   

19.81g remain

   

Mg

   

MgCl2

   

54g remain

   

Fe

   

193g remain

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