Giúp e cái lời giải Để thủy phân hoàn toàn 8,9 g một loại chất béo cần vừa đủ 1,2 g NaOH, thu được 0,92 g glixerol và m gam hỗn hợp của các axit béo. Tính m? A. 9,18 g B. 6,78 g C. 8,62 g D. 7,68 g

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