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Which chemical equation is balanced? A. Fe2O3 + CO --> Fe + 2CO2 B. 8Al + 3Fe3O4 --> 4Al2O3 + 9Fe C. 2CuO + 2NH3 --> 2Cu + 3H2O + N2 D. Na2SO2 + S --> S2O3+ Na E. None of these are balanced
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Which chemical equation is balanced?

A. Fe2O3 + CO --> Fe + 2CO2
B. 8Al + 3Fe3O4 --> 4Al2O3 + 9Fe
C. 2CuO + 2NH3 --> 2Cu + 3H2O + N2
D. Na2SO2 + S --> S2O3+ Na
E. None of these are balanced

User Boggio
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1 Answer

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The balanced chemical equation is A. Fe2O3 + 3CO --> 2Fe + 3CO2.
User Himen
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User MSohm
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3Fe3O4 + 8Al = 4Al2O3 + 9Fe ... why is Fe 9
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