.A lab student analyzed her cool
nickel-en complex for ethylenediamine, en, content. A 0.325 g
sample of the synthesized Ni-en complex was dissolved in about 50
mL of water and titrated with 0.127 M HCl . Endpoint required 16.79
mL of the HCl . What is the mass (in grams) of en in the Ni-en
complex analyzed? Show all work!
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