Which Equations Are Balanced

question 16

Multiple Choice

Which equations are balanced?
A. Mg (s) + 2HCl (aq) → (aq) + (g)
B. 3Al (s) + 3 (l) → (s)
C. 2HgO (s) → 2 Hg (l) + (g)

• A) Only equation "c" is balanced.
• B) Equations "a" and "c" are balanced.
• C) Equations "b" and "c" are balanced.
• D) All of them are balanced.

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