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vanhishi
2 năm trước
Bài 15: Định luật bảo toàn khối lượng Câu 1. Nhiệt phân 24,5g kaliclorat(KClO$_{3}$ thu được 9,6g khí oxi và muối kaliclorua KCl a. Viết công thức về khối lượng của phản ứng đã xảy ra b. Tìm khối lượng muối kaliclorua KCl tạo thành
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