When a reversible reaction reaches chemical equilibrium, what can be said about the forward and reverse reaction rates?

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.

the maximum mass of nh3 is nh3 in grams

answerto predict;