Calculate the amount of carbon that has reacted with oxygen if 4.4 g of carbon dioxide is released as a result.

m (CO2) = 4.4 g
To find:
n (C)
C + O2 = CO2
n (CO2) = m / M = 4.4 g / 44 g / mol = 0.1
n (CO2): n (C) = 1: 1
n (C) = 0.1 mol
Answer: the amount of carbon substance is 0.1 mol.

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