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phuphangbao
2 năm trước
Thánh nào giỏi hóa vào đây, câu này cực dễ xơi điểm tui đó nha ) Dẫn từ từ 3,136 l khí CO2¬ (đktc) vào một dd có hòa tan 12,8g CaOH, sản phẩm là muối Ca2CO3. a) Sau phản ứng chất nào dư, dư bao nhiêu mol ? b) Tính khối lượng muối thu được ?
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