posted by Bob .
What is the molar mass of salenH(2) and nickel(II) salen?
I don't know shat salen is? Do you have a formula?
Salen is a contraction for salicylic aldehyde and ethylene diamine which are the reactants for the basic ligand. There are a number of these so you will need find out which one you have got.
Salicylalhyde is HO(C6H4)CHO and two of these react with one molecule of NH2CH2CH2NH2 to give Salen and two molecules of water.