질산칼륨-KNO3,알루미늄-Al,황-S,백린-P,초산칼륨(=질산칼륨)-KNO3,마그네슘-Mg/그외:염산-HCl,황산-H2SO4,질산-HNO3,아세트산-CH3COOH,탄산-H2CO3,붕산-H3BO3
당신은 어느 그룹입니까?