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The formula of borax is...

The formula of borax is

A

`Na_(2)B_(4)O_(7).5H_(2)O`

B

`Na_(2)B_(4)O_(7).7H_(2)O`

C

`Na_(2)B_(4)O_(7).10H_(2)O`

D

`Na_(2)B_(4)O_(7).2H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
C
Sodium tetraborate decahydrate is a borax molecular formula is `Na_(2)[B_(4)O_(5)(OH)_(4). 8H_(2)O//Na_(2)B_(4)O_(7). 10H_(2)O]`
`Na_(2)B_(4)O_(7).5H_(2)O` is borax pentahydrate.
`Na_(2)B_(4)O_(7).7H_(2)O` is borax heptahydrate.
`Na_(2)B_(4)O_(7). 2H_(2)O` is borax dihydrate.
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