littlemoe2002 littlemoe2002

27-09-2021
Chemistry

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When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 20.4 g g of carbon were burned in the presence of 70.4 g
of oxygen, 16.0 g of oxygen remained unreacted. What mass of carbon dioxide was produced?

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Аноним Аноним

27-09-2021

Answer:

C + O2 -> CO2

C 20.4/12 = 1.7

O 70.4-16.0/16=3.4

CO2 1.7 mol * 44 = 74.8

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