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Which one of the following is not a balanced equation? Explain why. A.C3H8 (g) + O2 (g) → CO2 (g) + H2O (g) B.C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g) C.2Mg (s) + O2 (g) → 2MgO (s) D.4Na (s) + O2 (g) →
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Which one of the following is not a balanced equation? Explain why.

A.C3H8 (g) + O2 (g) → CO2 (g) + H2O (g)

B.C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g)

C.2Mg (s) + O2 (g) → 2MgO (s)

D.4Na (s) + O2 (g) → 2Na2O (s)

User FeifanZ
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It's A because we have 3 C and 8H left and 1C and 2H on the right side.
User Dan Coates
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