What is the mass of 2 moles of oxygen atoms?

To determine the mass of 2 moles of oxygen atoms, we first need to know the molar mass of a single oxygen atom. The molar mass of oxygen is approximately 16 grams per mole. Therefore, for one mole of oxygen atoms, the mass is 16 grams.

When considering 2 moles of oxygen atoms, the calculation becomes straightforward. You simply multiply the molar mass of oxygen by the number of moles:

Mass of oxygen = Molar mass of oxygen × Number of moles

Mass of oxygen = 16 g/mol × 2 mol = 32 g

This shows that the mass of 2 moles of oxygen atoms is indeed 32 grams, confirming that the correct choice is represented by the 32 g option. Understanding this principle highlights how to work with moles and molar mass in analytical chemistry, which is crucial for other calculations and applications in the field.