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When the following equation is balanced, the coefficient of oxygen is __________. PbS (s) + O2 (g) . PbO (s) + SO2 (g)

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When the following equation is balanced, the coefficient of oxygen is __________. PbS (s) + O<sub>2</sub> (g) . PbO (s) + SO<sub>2</sub> (g)






 
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