Calculate the value of mean free path (λ) for oxygen molecules at temperature 27∘C and pressure 1.01×10⁵ Pa. Assume the molecular diameter 0.3 nm and the gas is ideal.(k=1.38×10⁻²³ JK⁻¹)
A. 86 nm
B. 102 nm
C. 58 nm
D. 32 nm