The mass of carbon dioxide produced by the complete combustion of 48.0g of hexane is 147.35g.
The mass of a substance can be calculated by using the stoichiometry approach.
The balanced equation of the complete combustion of hexane is as follows:
2C6H14(g) + 19O2(g) → 12CO2(g) + 14H2O(g)
48g of hexane to moles is calculated as:
48g ÷ 86g/mol = 0.56 mol
2 moles of hexane produces 12 moles of CO2
0.56 mol of hexane will produce 0.56 × 12/2 = 3.35 mol
Next, we convert 3.35 moles of CO2 to mass as follows:
3.35 moles × 44g/mol = 147.35g
Therefore, the mass of carbon dioxide produced by the complete combustion of 48.0g of hexane is 147.35g.
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