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Galena Is the Ore from Which Elemental Lead Is Extracted

Question 49

Multiple Choice

Galena is the ore from which elemental lead is extracted. In the first step of the extraction process, galena is heated in air to form lead(II) oxide. Galena is the ore from which elemental lead is extracted. In the first step of the extraction process, galena is heated in air to form lead(II) oxide. What mass of galena is converted to lead oxide if 975 kJ of heat are liberated? A) 203 g B) 282 g C) 406 g D) 478 g E) 564 g What mass of galena is converted to lead oxide if 975 kJ of heat are liberated?


A) 203 g
B) 282 g
C) 406 g
D) 478 g
E) 564 g

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