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quynhvptd00209
2 năm trước
Cho 5,6 lít khí CO₂(đktc) tác dụng vừa đủ với 100ml dung dịch Ca(OH)₂thu được sản phẩm là muối trung hòa và nước a) Tính khối lượng chất kết tủa thu được b) Để trung hòa hết dung dịch Ca(OH)₂ trên cần dùng bao nhiêu gam dung dịch HCl nồng độ 20%
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