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Answer to Question #700 in Inorganic Chemistry for joe shmoe

Question #700
A new grill has a mass of 30.0 kg. You put 2.0 kg of charcoal in the grill. You burn all the charcoal and the grill has a mass of 30.0 kg. What is the mass in kg of the gases given off? (assume that the charcoal is pure carbon solid and that it burns completely in oxygen).
Expert's answer
Mass of carbon burnt = 2Kg = 2000g
Moles of Carbon burnt = 2000/12
=> Moles of CO2 produced = 2000/12
=> Mass of CO2 produced = 2000/12*44 = 2 333.33 g = 2.33 Kg

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Assignment Expert
03.10.12, 14:50

In that case there would be two times smaller mass of CO2 produced

03.10.12, 05:05

what if you only put in 1.0 kg of charcoal in the grill?

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