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Chemistry, 25.07.2021 14:00 evanwall91

Bài 13: Hoà tan 63,8 gam hỗn hợp BaCl2 và CaCl2 vào 500 gam H2O thu được dung dịch A. Thêm 500 ml dung dịch Na2CO3 1,4M vào dung dịch A, sau phản ứng thu được 59,4 gam kết tủa và dung dịch B. a. Trong dung dich B tồn tại những muối nào?
b. Tính nồng độ % của mỗi muối trong dung dịch A.
c. Thêm vào dung dịch B một lượng vừa đủ dung dịch HCl 0,5M (D=1,05 g/ml) thu được dung dịch C. Tính thể tích dung dịch HCl 0,5M đã dùng và nồng độ % của muối trong dung dịch C. biết khối lượng riêng dung dịch Na2CO3 là 1,64 g/ml

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