Ngày tải lên :
16/07/2015, 19:18
... dich M va 1 ,121 CO2 (dktc) Khi CO can dung dich M thu dircKc khoi lufdng muoi khan bang: B 5,55g C 16,5g HiC&ng dan mrinB- = 12, 9 (0 ,12 44) = 7,62 gam Dang KIM LOAI SAT B| 0X1 HOA THANH HON HPP ... l m KCl.r mKC1,B| %m = 0,08 : 0 ,12 : 0,05 = : 12 : V a y c o n g thufc ciia c h a t h a u co A l a C8H12O5 c6 M A < B 56,72% KCl (pt4) , = 8,94 22 29,8 74,5 122 ,5 = 49 g a m 49.100 KC10.,(A) ... phuong t r i n h (1),(2) t a t h a y •^muo'i clorua ~ ^ Pt: H2O 197 = 0,12mol -'^cOo B2CO3 + H2SO4 ^ | y = 0 ,12 "co, =0 ,12 + 0,26 = 0,38 mol (loang) ^ (loang) ^ A S O + CO2T + H O A S O + CO2T...