1. The problem statement, all variables and given/known data Predict the magnetic moments (spin-only) of the following species: a. [Cr(H2)6)2+ b. [Cr(CN)6]4- c. [FeCl4]- d. [Fe(CN)6]3- e. [Ni(H2O)6]2+ f. [Cu(en)2(H2O2)]2+ 2. Relevant equations ??? 3. The attempt at a solution I figured that Cr is 2+ for part A and B but I don't really know what the problem is asking. If there are any relevant formulas I'd appreciate learning them.