Questions
Which of the following compounds is used for water softening?
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Correct option is C
Na6P6O18 acts as Na2[Na4(PO3)6] is also known as Calgon which can be used for removal of permanent hardness of waterSimilar Questions
The molecular formula of a commercial resin used for exchanging ion in water softening is C8H7SO3 Na (mol. wt. = 206). What would be the minimum uptake of Ca2+ ions by the resin when expressed in mole per gram resin ?
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