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JEE Main 2015

JEE Main 2015 Chemistry question on Some Basic Concepts of Chemistry

The molecular formula of a commercial resin used for exchanging ions in water softening is C8H7SO3NaC_8H_7SO_3Na (molecular weight = 206). What would be the maximum uptake of Ca2+Ca^{2+} ions by the resin when expressed in mole per gram resin?
  1. A.
    1103\dfrac{1}{103}
  2. B.
    1206\dfrac{1}{206}
  3. C.
    2309\dfrac{2}{309}
  4. D.
    1412\dfrac{1}{412}
Show answer

Correct option: D

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