Chemistry, 04.10.2021 03:10 jahayla4life
Cho các cặp chất: HCl và Na2CO3; FeSO4 và NaOH; BaCl2 và K2SO4; H2SO4 và HNO3; NaCl và CuSO4; CH3COOH và NaOH. Có bao nhiêu cặp chất không cùng tồn tại trong cùng một dung dịch:
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Cho các cặp chất: HCl và Na2CO3; FeSO4 và NaOH; BaCl2 và K2SO4; H2SO4 và HNO3; NaCl và CuSO4; CH3COO...
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