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H(2)SO(4) solution (80% "by weight and s...

`H_(2)SO_(4)` solution `(80% "by weight and specific gravity" 1.75 g//ml)` is used to prepare `2 litre` of `0.25 MH_(2)SO_(4)` (aq). The volume of `H_(2)SO_(4)` solution (original) which must be used is :

A

`107.18ml`

B

`43.75ml`

C

`35ml`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Let `x ml` of `H_(2)SO_(4)` solution
`(n_(H_(2)SO_(4)))_(i) = (n_(H_(2)SO_(4)))_(i)`
`1.75x xx (80)/(100) = 2xx0.25`
`x = 35 mL`
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