Find the specific volume of benzene (C6H6)\left(\mathrm{C}_ {6} \mathrm{H}_ {6}\right)(C6H6) in critical state if its critical tem perature Tcr=562 KT_{c r}=562 \mathrm{~K}Tcr=562 K and critical pressure pcrp_{c r}pcr =47=47=47 atm.