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OpenStudy (anonymous):
Which chemical equation describes the balanced reaction between lead and oxygen to form lead oxide? A. 2Pb + 2O2 → 2Pb2O3 B. Ld + O2 → Ld2O3 C. 4Pb + 3O2 → 2Pb2O3 D. 4Ld + 3O2 → 2Ld2O3
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OpenStudy (wolfe8):
B and D are wrong for sure since the symbol for lead is Pb, not Ld. Check which of those have equal number of each element on both sides.
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