... NGUYEN TCT OBITAN NGUYEN TCT 1. 41 Tdng sd nguydn tft 0, 01 mol phan tft mudi amoni nitrat bdng A 5, 418 .10 ^ 1 B 5, 418 .10 ^ \ C 6,02 .10 ^ 1 D 3, 01 .10 ^ 1 Hay chgn dap an dung 1. 42 Nguydn tft la phdn tft ... Nguydn tft khdi D Sd electron nguydn tft 15 2 .17 Dua trdn cac dft kidn cho dudi day : Nguyen td Na Mg Al Si P S TnguyentftCnm) 0 ,15 7 0 ,13 6 0 ,12 5 0 ,11 7 0, 11 0 0 ,10 4 Hay giai thfch su bidn ddi ban kfnh ... khd'i cua chiing The tfch cua 20 g agon (d dktc) bdng A 1, 1 21 d m l B 1, 120 d m l C 11 , 214 6 d m l D 11 ,200 dml Hay chgn phuang an dung 1. 33 Trong tu nhien oxi cd ba ddng v i : ^ | o ; ^gO ; ^gO;...