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chip2501
2 năm trước
giup mik va a, pls, mai mik thi r BT1 : dẫn từ từ 3,136 l khí CO2( đktc) vào 1 dung dịch có hoà tan 12,8g NaOH, sản phẩm là muối Na2CO3. a) Chất nào đã lấy dư, dư bao nhiêu lít ( hoặc gam ) ? b) Tình khôí lượng muối thu được
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