Magnesium Reacts with Iron(III) Chloride to Form Magnesium Chloride (Which

question 20

Multiple Choice

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 (ℳ = 24.31 g/mol) and 175 g of iron(III) chloride (ℳ = 162.2 g/mol) is allowed to react. What mass of magnesium chloride (ℳ = 95.21 g/mol) is formed?

• A)68.5 g MgCl ₂
• B)77.0 g MgCl ₂
• C)71.4 g MgCl ₂
• D)107 g MgCl ₂
• E)154 g MgCl ₂

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