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anhninhle
2 năm trước
Nhiệt phân hoàn toàn 30,8 gam hỗn hợp KClO3 và KMno4 thu được sau phản ứng với 14,9 gam KCl ( muối Kali Clorua ) a/ Viết PTTH xảy ra ? b/ Tính Phần Trăm theo khối lượng từng chất trong hỗn hợp ban đầu.
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