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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_2(PO_3)_6]`

C

`Na_2 [Na^+ (PO_4)_5]`

D

`Na_4 [Na_2 (PO_4)_6] `

Text Solution

Verified by Experts

The correct Answer is:
A
`Na_2 [Na_4 (PO_3)_6]`
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