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Which One of the Following Equations Is Properly Balanced

Question 13

Multiple Choice

Which one of the following equations is properly balanced?


A) Sn + 4HNO3 → SnO2 + 4NO2 + 2H2O
B) 2Na2SO4 + 3Bi(NO3) 3 → Bi2(SO4) 3 + 9NaNO3
C) CH3CHO + 3O2 → 2CO2 + 2H2O
D) NH4NO3 → 2H2O + N2
E) Na2CO3 + 2H2SO4 → Na2SO4 + 2H2O + CO2

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