Final answer:
The number of molecules in 5.50 moles of carbon dioxide is calculated by multiplying the number of moles (5.50) by Avogadro's number (6.02 × 10²³), resulting in approximately 3.311 × 10²´ molecules.
Step-by-step explanation:
Calculating the Number of Molecules in Carbon Dioxide
To find the number of molecules in 5.50 moles of carbon dioxide using Avogadro's number, which is 6.02 × 10²³ molecules per mole, we perform a simple multiplication:
• Number of molecules = Number of moles × Avogadro's number
• Number of molecules = 5.50 moles × 6.02 × 10²³ molecules/mole
• Number of molecules = 33.11 × 10²³ molecules
• Number of molecules = 3.311 × 10²´ molecules
Thus, 5.50 moles of carbon dioxide contains approximately 3.311 × 10²´ molecules of carbon dioxide.