Calculate the mass of carbon dioxide that will be obtained from the combustion of 6 g of coal using the equation C + O2 = CO2.

univerkov | December 18, 2020 | education

Given:
m (C) = 6g
m (CO2) -?
Decision:
C + O2 = CO2
M (C) = 12
n (C) = m / M = 6/12 = 0.5 mol
1 mol C – 1 mol CO2
0.5 mol C – x mol CO2
n (CO2) = 0.5 mol
M (CO2) = 12 + 16 * 2 = 44 g / mol
m (CO2) = n * M = 44 * 0.5 = 22g
Answer: 22g

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