The molecular formula of a commercial resin used for exchanging ions in water softening is `C_(8)H_(7)SO_(3)Na` (Mol.wt.206). Wh

The molecular formula of a commercial resin used for exchanging ions in water softening is `C_(8)H_(7)SO_(3)Na` (Mol.wt.206). What would be the maximum uptake of `Ca^(2+)` ions by the resin when expressed in mole per gram resin?
A. `1/103`
B. `1/206`
C. `2/309`
D. `1/412`

The molecular formula of a commercial resin used for exchanging ions in water softening is `C_(8)H_(7)SO_(3)Na` (Mol.wt.206). What would be the maximu

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