Answer :

The number of moles of CO2 in 35.8 g of carbon dioxide is 0.814mol

HOW TO CALCULATE NUMBER OF MOLES:

  • The number of moles of a substance can be calculated by dividing the mass by its molar mass. That is;

no. of moles = mass ÷ molar mass

Molar mass of CO2 = 12 + 16(2) = 44g/mol

  • According to this question, 35.8g of carbon dioxide was given. The number of moles can be calculated as follows:

no. of moles = 35.8g ÷ 44g/mol

no. of moles = 0.814mol

  • Therefore, the number of moles of CO2 in 35.8 g of carbon dioxide is 0.814mol.

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