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Calculate the molality of 1L solution of...

Calculate the molality of 1L solution of `80% H_2SO_4 (w/V)` given that the density of the solution is `1.80 g mL^-1`. ( round of the answer to nearest whole number )

A

`8.16`

B

`8.6`

C

`1.02`

D

`10.8`

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