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anhnp5650
2 năm trước
Câu 1: Cho 50 ml dung dịch NaCl 0,1M tác dụng với dung dịch AgNO3 dư thu được m gam kết tủa.Giá trị m là ? Câu 2: cho 3,6 gam Mg tác dụng với dung dịch HCl dư, thể tích khí thu được (đktc) là ? Giúp mình 2 câu này với !
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