Question

. About 85.6 cm2 of a flexible polymer film 0.051 cm thick is made into a bag, filled with distilled water, and hung in an oven at 35°C and 75% relative humidity. The bag is weighed, giving the following data: Time (d) Bag weight (g) 14.0153 13.9855 13.9104 13.8156 13.7710 13.6492 13.5830 13.5256 0 12 14 16 Copyrighted 52 2 Diffusion in Dilute Solutions What is the permeability (DH) of the polymer film? (R. Contravas) Answer: 2.2 10 cm sec.

Can you please solve this question (it's written that the answer is 2.2x10^5 cm^2/sec)

Answer 1

פי According to the given queSh 0.027 rnks het dca d2 2.34 10Dee X308 X 6-75 x 101325 e6