Ngày tải lên :
07/09/2014, 14:45
... khan ( (rn ) (r) nh NaOH, KOH , Na SO , CuSO , CaSO ) 4 Bi tp:5-6, 3 -11, 3-21, 2-54, 4-58, 3-60, 6-72, 7-72, 8-72, 1.3, 3.3, 15 .11, 19.4 Bi a) Lm th no tinh ch N2 t N2 cú ln cht l CO2 ,CO ,O2 ? ... 2-69, 4-72, 3.1, 3.2, 15.6, 15.13, 15.18, 19.5,1 -11, 5-21, 1-30, 3-41, 4-51, 4-69, 1-71, 2.3, 18.3, 19.3, 19.9, 22.6,3-6, 3-27, 1-43, 2-51, 2.9, 5.4 ,5 -11, 1-14, 3-14, 3-30, 5-63, 5.1, 5.3, 5.5 Trn ... 1-9, 2-9, 2 -11, 3-19, 4-25, 1-27, 2-30, 2-33, 4-36, 3-72, 2.4, 4.4, 4.5, 5.2, 7.3, 8.1, 8.2, 9.1, 9.4, 9.3, 10.3, 9.6 Trn Hng Hng Giỏo ỏn dy thờm Húa THCS Lờ Li Nm hc: 2013 - 2114 Ngy son:...