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daokhiem


De? trung hoa` 28.8g hon~ hop gom` axit axetic, ruou n-propilic va p-cresol can` 150ml dung dich NaOH 2M. Hoa` tan 28.8g hon~ hop tren trong n-hexan roi` cho Na du vao` thy` thu duoc 4.48l khi' H2 (Dktc). Hoi? luong axit axetic trong hon~ hop la bao nhieu?...