Bài 2: Hòa tan hoàn toàn toàn 16 gam sắt (III) oxit trong dung dịch axit clo hiđric thu được muối và nước. a. Tính khối lượng muối sắt (III) clorua thu được? b. Tính nồng độ mol axit HCl cần cho phản ứng và nồng độ mol dung dịch muối. Biết thể tích dung dịch axit cần cho phản ứng là 200ml. Coi thể tích dung dịch thay đổi không đáng kể.

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