Which of the following equations are balanced? a. Zn + H 2 SO 4 H 2
Question:
Which of the following equations are balanced?
a. Zn + H2SO4 → H2 + ZnSO4
b. Al + 3O2→ Al2O3
c. H2CO3 → H2O + CO2
d. 3CO + Fe2O3 → 3CO2 + 2Fe
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