a solution containing 0.315g of CrCl3.6H2O was passed through a cation exchange resin and acid coming out of the cation exchange resin required 28.5 mL of 0.125 M NaOH. Determine correct
formula of the complex (mol. wt. of the complex =
266.5]
(1) [Cr(H20)6]C13
(2) [Cr(H20)5Cl]H2O.Cl2
3) [Cr(H2O)4CI2]Cl.2H20
4) [Cr(H2O)3Cl3]3H20
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