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Question
Calculate EAN of cobalt (Z=27) in [CO(NH3)6]+3 and of zinc (Z=30) in [Zn(NH3)4]SO4.
Solution
For Cobalt [Co(NH3)6)]+3
Z = 27 X = 3 Y = 12
EAN = 27 – 3 + 12 = 36
For Zinc [Zn(NH3)4]SO4
Z = 30
X = 2
Y = 8
EAN = 30 – 2 + 8 =36
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