Chemistry, 15.11.2021 02:50 patrickdolano

Cho biết công thức hóa học của nguyên tố X hóa trị (III) với Cl là XCl3 và công thức hóa học của Y với hiđro là H2Y. Chọn công thức đúng của hợp chất được tạo thành từ X và Y là: A) X3Y2 B) X2Y3 C) XY2 D) XY

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Cho biết công thức hóa học của nguyên tố X hóa trị (III) với Cl là XCl3 và công thức hóa học của Y v...

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