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The van der Waals' constants of a gas ar...

The van der Waals' constants of a gas are `a=0.687dm^2mol^(-2)b=0.0226dm^3mol^(-1)`

A

`V_c=0.678dm^3mol^(-1)`

B

`V_c=0.0678dm^3mol^(-1)`

C

`P_c=49.7atm`

D

`T_c=109.84K`

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B, C, D
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