LECHUNGTC3
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dd X chua Na+,Ca+,Mg2+,Cl-,HCO3-,SO42-.dun nong X hoan toan thu duoc 3,68g ket tua,dd Y,2,24l khi.co can Y thu duoc 13,88g chat ran khan.tinh m muoi X
dd X chua Na+,Ca+,Mg2+,Cl-,HCO3-,SO42-.dun nong X hoan toan thu duoc 3,68g ket tua,dd Y,2,24l khi.co can Y thu duoc 13,88g chat ran khan.tinh m muoi X