Answer:
the answer that you are looking for is d
Explanation:
 
        
                    
             
        
        
        
 E=mc (square) E= mass times capacity squared
        
             
        
        
        
Volume of the tank is 5.5 litres.
Explanation:
mass of the CO2 is given 8.6 grams
Pressure of the gas is 89 Kilopascal which is 0.8762 atm
Temperature of the gas is 29 degrees ( 0 degrees +273.5= K) so (29+273)
R = gas constant 0.0821 liter atmosphere per kelvin)
FROM THE IDEAL GAS LAW
PV=nRT ( P Pressure, V Volume, n is number of moles of gas, R gas constant, Temperature in Kelvin)
no of moles = mass/atomic mass
                     =  8.6/44
                     = 0.195 moles
now putting the values in equation
V=nRT/P
   = 0.195*0.0821*302/ 0.8762
   = 5.5 litres.
As the carbon dioxide gas occupies the volume os the tank hence volume of tank is 5.5 litres.
 
        
             
        
        
        
I think it might be A. i am not totally sure though