Ans. is a) 0.4466
b) 0.4355
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What is the activity coefficient for each ion at the given ionic strength at 25 °C? Activity coefficients at various ionic strengths can be found in this table. Hg2+ (u = 0.005 M) y= Sc3+ (u = 0.01 M) y= Eu3+ (u = 0.1 M) y= (CH, CH,),NH" u = 0.005 M) x= |