Which Set of Gases Is Listed from Slowest to Fastest

question 12

Multiple Choice

Which set of gases is listed from slowest to fastest diffusion rate?

• A) HCN < H₂ < He < O₃
• B) H₂ < He < HCN < O₃
• C) O₃ < HCN < He < H₂
• D) HCN < He < O₃ < H₂
• E) H₂ < HCN < He < O₃

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