In a vapor-liquid contacting equipment, the overall gas phase mass transfer co-efficient (M.T.C), KG is related to individual co-efficients (KG and KL) as ___________________ ?
(A) KG = 1/KG + m/KL
(B) 1/KG = 1/KG + m/KL
(C) 1/KG = 1/KL + m/KG
(D) KG = 1/KL + m/KG

