It is known that 6 g of carbon (C(s)) reacts exactly with 16 g of oxygen gas (O2(g)) producing only carbon dioxide (CO2(g)). If 20 g of coal and 32 g of oxygen gas were mixed, what would be the mass of carbon dioxide produced in the mixture?
C135H96O9NS + O2 -->> C134H96O9NS + CO2
6 = 16
? = 32
= 6×32/16
= 12g
Molar Mass of C135H96O9NS =1908.273
20g = 20/1908.273
= 0.0105M
= 0.0105×32 = 0.336g
= 12 + 0.336
= 12.336g of CO2
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