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JEE Mains Model Paper 7

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Question : 46 of 90

Marks: +1, -0

The molecular formula of a commercial resin used for exchanging ions in water softening isC8H7SO3Na (Mol. wt. 206). What would be the maximum uptake of Ca2+ ions by the resin whenexpressed in mole per gram resin?

2
309
1
412
1
103
1
206

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