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481663119041789
2 năm trước
Trộn 30 ml có chứa 2,22 gam CaCl2 với 70 ml dung dịch có chứa 1,7 gam AgNO3. Phương trình phản ứng xảy ra: CaCl2 + AgNO3 -> AgCl + Ca(NO3)2 Tính khối lượng các chất trong dung dịch.
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