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CH3COOH = Asam Cuka
Na2S = Natrium Sulfida
KNO2 = Kalium Nitrit
CaCO3 = Kalsium Karbonat
2. CUKA ( ASAM ASETAT)
3.Na2S = natrium sulfida, KNO2 = kalium nitrit ,caco3 = kalsium karbonat