In the reaction of 2.4 g of carbon and 4.9 g of oxygen, how many grams of carbon dioxide are produced

Answer is: 6.74 grams of carbon dioxide are produced.

Balanced chemical reaction: C(s) + O₂(g) → CO₂(g).

Calculate amount of carbon and oxygen:

m(C) = 2.4 g; mass of carbon.

n(C) = m(C) ÷ M(C).

n(C) = 2.4 g ÷ 12 g/mol.

n(C) = 0.2 mol; amount of substance.

m(O₂) = 4.9 g; mass of oxygen.

n(O₂) = m(O₂) ÷ M(O₂).

n(O₂) = 4.9 g ÷ 32 g/mol.

n(O₂) = 0.153 mol; limiting reactant.

From chemical reaction: n(O₂) : n(CO₂) = 1 : 1.

n(CO₂) = 0.153 mol.

m(CO₂) = 0.153 g · 44 g/mol (molar mass of carbon dioxide).

m(CO₂) = 6.74 g.

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