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Would anyone like to give me some direction on this question?
"For a column that has a 90% exchange efficiency when releasing a +1 cation in place of Ca2+, what is the concentration of the +1 cation that elutes from a column to which 0.010 M Ca(NO3)2 has been added?"
"For a column that has a 90% exchange efficiency when releasing a +1 cation in place of Ca2+, what is the concentration of the +1 cation that elutes from a column to which 0.010 M Ca(NO3)2 has been added?"