L. Determine the mass in grams of: a) 1,5 x 10? mols Of N2 (N=14)

b) 3.00 x10 molecules of H2 CH=1.0)

c) 18 pico moles of CO2 (C= 12,0=16)

d) 0.54 mole of sodium (Na=23)​

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.

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i believe the answer is three water molecules