Chemistry, 01.08.2021 14:00 amanditafarinap3bw7g

Phân tích thành phần nguyên tố của một loại quặng sắt thấy sắt chiếm 46,66% về khối lượng , phần còn lại là của lưu huỳnh .Lập công thức hóa học của hợp chất có trong quặng sắt. Biết phân tử khối của hợp chất là 120 đvC.

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Phân tích thành phần nguyên tố của một loại quặng sắt thấy sắt chiếm 46,66% về khối lượng , phần còn...

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