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nekoneko1314
2 năm trước
Nung 26,8 g hh muối CaCO3 ,MgCO3 thu được 6,72 l CO2 ở đktc a) tính khoi luong cua CaO MgO B) hấp thụ hoàn toàn CO2 ơn trên vào 250ml dd NaOH 2M,cô cạn dd thu được những chất nào .tính mày mỗi chất
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