N
ngocanh48


cho hon hop X gom 2 hop chat huu co no,don chuc tac dung vua du 100ml dung dich KOH 0,4M thu duoc 1muoi va 336ml hoi 1 ancol (o dktc) .neu dot chay hoan toan luong hon hop X tren,sau do hap thu het san pham chay vao binh dung dung dich CA(OH)2 (du) thi khoi luong binh tang 6,82g .tim cong thuc cua 2 hchc trong x.