Sulfur Trioxide Can React with Atmospheric Water Vapor to Form

question 21

Multiple Choice

Sulfur trioxide can react with atmospheric water vapor to form sulfuric acid that falls as acid rain. Calculate the mass in grams of 3.65 × 10²⁰ molecules of sulfur trioxide.

• A) 6.06 × 10^-4 g
• B) 2.91 × 10^-2 g
• C) 4.85 × 10^-2 g
• D) 20.6 g
• E) 1650 g

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