Magnesium reacts with iron(III) chloride to form magnesium chloride (which can be used in fireproofing wood and in disinfectants) and iron.
3Mg(s) + 2FeCl3(s) 3MgCl2(s) + 2Fe(s)
A mixture of 41.0 g of magnesium ( 
= 24.31 g/mol) and 175 g of iron(III) chloride ( 
= 162.2 g/mol) is allowed to react.What mass of magnesium chloride = 95.21 g/mol) is formed?
A) 68.5 g MgCl2
B) 77.0 g MgCl2
C) 71.4 g MgCl2
D) 107 g MgCl2
E) 154 g MgCl2
Correct Answer:
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