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Answer to Question #259096 in Organic Chemistry for 809
Question #259096
lead metal is obtained from lead sulphide through the following rection:
2PbS + 2C + 3O-2Pb + 2CO+2SO
calculate mass oxygen is needed tu produce 500g of lead metal
Expert's answer
Molar mass of Pb= 207.2g
500/207.2= 2.413
Mole ratio Pb:O2= 2:3
Molar mass of O2= 31.998
= 31.998×2.413×3/2
= 115.823g
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