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Calgon used as water softener is...

Calgon used as water softener is

A

`Na_(2)[Na_(4)(PO_(3))_(6)]`

B

`Na_(4)[Na_(4)(PO_(3))_(6)]`

C

`Na_(2)[Na_(4)(PO_(4))_(5)]`

D

`Na_(4)[Na_(2)(PO_(4))_(6)]`.

Text Solution

Verified by Experts

The correct Answer is:
A
Calgon or sodium hexametaphosphate is `Na_(2)[Na_(4)(PO_(3))_(6)`
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