Ammonia Can Be Made by Reaction of Water with Magnesium

question 68

Multiple Choice

Ammonia can be made by reaction of water with magnesium nitride:
__ Mg₃N₂(s) + __ H₂O(l) → __ Mg(OH) ₂(s) + __ NH₃(g)
When the equation is properly balanced,the sum of the coefficients is

• A)6.
• B)14.
• C)12.
• D)9.
• E)8.

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