For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m2 , a: in-terfacial area per unit volume of tower)

For the gas absorption, the height of a transfer unit, based on the ga

1.	For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m2 , a: in-terfacial area per unit volume of tower)
A.	<img src="/_files/images/chemical-engineering/mass-transfer/329-627-1.png">
B.	<img src="/_files/images/chemical-engineering/mass-transfer/329-627-2.png">
C.	<img src="/_files/images/chemical-engineering/mass-transfer/329-627-3.png">
D.	<img src="/_files/images/chemical-engineering/mass-transfer/329-627-4.png">
Answer» B. <img src="/_files/images/chemical-engineering/mass-transfer/329-627-2.png">