GKFix MCQ Question

What is the calculated average time between collisions for air at STP?

• A. 8.2×10⁻¹⁰ s
• B. 5.0×10⁻¹⁰ s
• C. 6.1×10⁻¹⁰ s
• D. 4.3×10⁻¹⁰ s