1.

The molecular formula of a commercial resin used for exchanging ions in water softening is \[{{C}_{8}}{{H}_{7}}S{{O}_{3}}Na\](mol. Wt. 206). What would be the maximum uptake of \[C{{a}^{2+}}\]ions by the resin when expressed in mole per gram resin?

A. \[\frac{1}{103}\]                      
B. \[\frac{1}{206}\]
C. \[\frac{2}{309}\]                      
D. \[\frac{1}{412}\]
Answer» E.


Discussion

No Comment Found

Related MCQs