33. Massa Molekul Relatif (Mr)SO2,adalah.. (ArO=16 dan S=32) By Admin ReiPosted on December 7, 2022 33. Massa Molekul Relatif (Mr)SO2,adalah.. (ArO=16 dan S=32) Mr SO2 =Ar S+2Ar O =32+2(16) =32+32 =64 gram/mol.