A.8314J/(kmol²K) B.8.314kj/(kmol²K)3 C.848(kgf²m)/(kmol²K) D.0.082057(atm²m)/(kmol²K)
A.60%~70% B.60%~80% C.60%~90% D.70%~90%
A.5% B.10% C.15% D.20%