Chemistry, 30.07.2021 02:20 squadfam2024

Dung dịch A gồm 0,8mol Na+,a mol CO3 2-,b mol SO4 2-, 0,6mol Cl-.Nhỏ từ từ dd A vào HCl thu được khí B và dd C. Nhỏ từ dd C vào BaCl2 thu được kết tủa D và m gam muối khan E. Tìm m

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Dung dịch A gồm 0,8mol Na+,a mol CO3 2-,b mol SO4 2-, 0,6mol Cl-.Nhỏ từ từ dd A vào HCl thu được khí...