What is the mass per cent of carbon in carbon dioxide?(a) 0.034% (b) 27.27% (c) 3.4% (d) 28.7%" "

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To find the mass percent of carbon in carbon dioxide (CO2CO2), we need to calculate the mass of carbon in one molecule of carbon dioxide and then express it as a percentage of the total mass of carbon dioxide. The molecular formula of carbon dioxide is CO2CO2. It contains one atom of carbon (C) and...
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To find the mass percent of carbon in carbon dioxide (CO2CO2), we need to calculate the mass of carbon in one molecule of carbon dioxide and then express it as a percentage of the total mass of carbon dioxide. The molecular formula of carbon dioxide is CO2CO2. It contains one atom of carbon (C) and two atoms of oxygen (O). The atomic mass of carbon (C) is approximately 12.01 g/mol, and the atomic mass of oxygen (O) is approximately 16.00 g/mol. Therefore, the molar mass of CO2CO2 can be calculated as: MolarmassofCO2=1×MolarmassofC+2×MolarmassofOMolarmassofCO2=1×MolarmassofC+2×MolarmassofO MolarmassofCO2=1×12.01 g/mol+2×16.00 g/molMolarmassofCO2=1×12.01g/mol+2×16.00g/mol MolarmassofCO2=12.01 g/mol+32.00 g/molMolarmassofCO2=12.01g/mol+32.00g/mol MolarmassofCO2=44.01 g/molMolarmassofCO2=44.01g/mol The mass percent of carbon in CO2CO2 can be calculated using the formula: Masspercentofcarbon=MassofcarbonTotalmassofCO2×100Masspercentofcarbon=TotalmassofCO2Massofcarbon×100 Masspercentofcarbon=12.01 g/mol44.01 g/mol×100Masspercentofcarbon=44.01g/mol12.01g/mol×100 Masspercentofcarbon≈12.0144.01×100≈27.27%Masspercentofcarbon≈44.0112.01×100≈27.27% So, the correct answer is: (b) 27.27% read less
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