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8.4-3. Ion Exchange of Copper in a Column. An ion-exchange column containing 99.3g of amberlite ion-exchange resin was used to remove Cu2+ from a solution where co= 0.18MCuSO4. The tower height =30.5cm and the diameter =2.59cm. The flow rate was 1.37cm3 solution/s to the tower. The breakthrough data are shown below: The concentration desired at the break point is c/co=0.010. Determine the breakpoint time, the fraction of total capacity used up to the break point, the length of unused bed, and the saturation loading capacity of the solid