Answer:
2.923 × 10⁻²² g
Step-by-step explanation:
We must convert molecules of CO₂ to moles and then to grams of CO₂.
Step 1. Convert molecules to moles
Moles of CO₂ = 4 molecules CO₂ × (1 mol CO₂/6.022 × 10²³ molecules CO₂)
= 6.642 × 10⁻²⁴ mol CO₂
Step 2. Convert moles to grams
Mass of CO₂ = 6.642 × 10⁻²⁴ mol CO₂ × (44.01 g CO₂/1 mol CO₂)
= 2.923 × 10⁻²² g CO₂
