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Which of the following is a balanced chemical equation?

SO2 + O2 + 2 H2O → 4 H2SO4

H2O2 → H2O + O2

2 Fe2O3 + 3 C → 4 Fe + 3 CO2

2 Mg + HC1 → MgCl2 + H2

Answer :

fardenk

Answer:

number 3 is balanced

Explanation:

left side equal right side

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