... (kg) = 50,2440 .10 -2 7 (kg).me = 26.9 ,109 4 .10 -3 1 (kg) = 23,6844 .10 -3 0 (kg). - KLNT tuyt i ca st l: -2 7 -2 793,7553 .10 = 56,477381,66005 .10 (vC) 1 mol Fe = 56,4773g. - S electron cú ... r = 1,35 .10 -1 nm = 1,35 .10 -8 cmV = = 10, 30. 10 -2 4 (cm3)Khi lng ca mt nguyờn t km l65.1,66 .10 -2 4 = 107 ,9 .10 -2 4 (g)Vy khi lng riờng ca nguyờn t km l =10, 48 (g/cm3)Thc t trong ... electron cú trong 1 kg electron l: 31 -3 11 = 0 ,109 777 .10 9 ,109 4 .10 (ht). - 31Fe230 ,109 777 .10 n = = 70135,9 mol.26.6,02 .10 - mFe = 70135,9 . 56,4773 39 6108 6g 3961 kg.Bi 3: Mt nguyờn t...