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2 Correct Part C aFe(s) + BO2(9)Fe2 O3 (s) Give your answer as an ordered set of numbers a, B, y. Use the least possible inte
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Answer #1

C)

Fe(s) + O2(g) —> Fe2O3(s)

Balance Fe:

2 Fe(s) + O2(g) —> Fe2O3(s)

Balance O:

2 Fe(s) + 3/2 O2(g) —> Fe2O3(s)

Multiply all by 2:

4 Fe(s) + 3 O2(g) —> 2 Fe2O3(s)

Answer: 4, 3, 2

D)

Na(s) + Cl2(g) —> NaCl(s)

Balance Cl:

Na(s) + Cl2(g) —> 2 NaCl(s)

Balance Na:

2 Na(s) + Cl2(g) —> 2 NaCl(s)

Answer: 2, 1, 2

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