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Use the Debye-Huckel equation to calculate the activity coefficient of the following ions in an aqueous solution at 25°C. a) Cro n a solution where u 0.0831 M Ion Size (a, nm) Number 0.450 Pb2+ 0800 .26 Mg Croi 0.600 Zn2+ 0,400 b) Crs in a solution where u 0.0350 M Cr 0.900 Number PO4 0.400 Cr 046 1.100 1.100 Ce4+

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2. Cro.-) _ _o.SI x A x Jo-OS בן Cso ㄧ -0.SS.3

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