3 3 3 1.01 105
74
100 100 = 10 100 90 = 11.1
50 98 x 245 20
100 100
1 1
= = -12 1/ 12 = = 12 1/ 12-26 2.65710 = 11.6610-27 -12 6 6
2N 100% = 2 14 100% CO( NH ) 60 2 2
0 1.01 105
( ) ( ).
+
= - (-2) 3 2 = +3 = 10 P 5 = 2 O 10 2 = 5
+ 4 2 2 Mn O + 2 + 4 + 2 + 5 + 2 + 2 Ba S C N Mg Ca + 1 + 2 + 3 + 2 Na Fe Al Ca
P.J.Kipp1808 1864
x = = 116 96 245 455.. x = = 2 8 64 025.
0.25 0.09 / = 2.8