THÀNH TRÍ by NT Kim Loan https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb en-us 2021-10-15 11:34:42 UTC 2025-12-19 14:06:19 UTC hello@padlet.com NTKL nguyenthikimloan2590 https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819423569 Dạng 3. Nhận biết dung dịch
a)      HCl; H2SO4; NaOH; NaCl
b)      NaCl; NaOH; Na2SO4 ; NaNO3 
]]> 2021-10-15 11:36:26 UTC https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819423569 https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819444053 hhchd]]> 2021-10-15 11:51:50 UTC https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819444053 nguyenthikimloan2590 https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819451707 2021-10-15 11:57:31 UTC https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819451707 bithanhtri https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819468432 2021-10-15 12:09:00 UTC https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819468432 bithanhtri https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819468953 2021-10-15 12:09:22 UTC https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819468953 nguyenthikimloan2590 https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819470336 Dạng 4. Bài toán
TÍNH NỒNG ĐỘ PHẦN TRĂM 
1) Hòa tan 12 gam MgSO4 bằng dung dịch NaOH 10% thu được dung dịch A và kết tủa B. 
a)      Viết phương trình hóa học xảy ra. 
b)      Tính nồng độ phần trăm dung dịch muối sau phản ứng. 
c)      Cho thêm dung dịch Ba(NO3)2 vào dung dịch A. Tính khối lượng kết tủa thu được. 
]]> 2021-10-15 12:10:22 UTC https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819470336 nguyenthikimloan2590 https://padlet.com/nguyenthikimloan2590/38g91gubmd71ntpb/wish/1819495767 TÍNH NỒNG ĐỘ MOL 
2) Cho 30 ml dung dịch CaCl2 2M  tác dụng vừa đủ với 70 ml dung dịch K2CO3. 
a)      Viết phương trình hóa học xảy ra. 
b)      Tính khối lượng chất kết tủa thu được. 
c)      Tính nồng độ mol của các chất trong dung dịch sau phản ứng. Cho rằng thể tích dung dịch không đáng kể. 
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