Based on the data provided in Table 1, which item contains the largest quantity of moles?

• A. 32 g of O2
• B. 18 g of H2O
• C. 22 g of CO2
• D. 10 g of H2O

Answer: (B)

Verified step by step guidance

1. Identify the molar mass of each substance using the periodic table: calculate the molar mass of O\_2, H\_2O, and CO\_2 by summing the atomic masses of their constituent atoms.
2. Use the formula for moles: \(\text{moles} = \frac{\text{mass (g)}}{\text{molar mass (g/mol)}}\) to calculate the number of moles for each given mass of the substances.
3. Calculate the moles for 32 g of O\_2 by dividing 32 g by the molar mass of O\_2.
4. Calculate the moles for 18 g of H\_2O by dividing 18 g by the molar mass of H\_2O.
5. Calculate the moles for 22 g of CO\_2 and 10 g of H\_2O similarly, then compare all the mole values to determine which item contains the largest quantity of moles.