Question: Calculate the diffusion rate of water vapor from the bottom of a 10 ft pipe, if dry air is blowing over the top of the pipe. The entire system is at 70°F and 1 atm pressure
2. If KG denotes a mass transfer coefficient based on a driving force of partial Pressure
![1944_Kg.png](https://secure.tutorsglobe.com/CMSImages/1944_Kg.png)