.
, ( ) → , . , , , , , ( ).
, 
- , , m- , V
.
, 
, ! , , .
. . 
, 
, .. 1 
1000 
.
, :
| 13=1000 3 | 1=1000 () |
| 13 = 1 | 1=1000 () |
| 13=1.000.0003 | 1=1.000.000 () |
| 13=10003 | 1=1000 |
| 1=1000 () | 1=100 |
1 (237 )
, , 40 ?
V1=V2 ( )
m2=40
 =400 /3
 =800 /3
|
.. V1=V2,   à  àm1=  =  =20
| |
| m1=? |
2 (238 )
500 . 720 ?
VH2O=500
MH2SO4 =720
 =1000 /3
 =1800 /3
| 0.5=13=0,0013 0,72 |
 MH20=1000*0,001=1 1 = 1
0,001 3, 0,0004 3, 0,001>0,0004 2,5 , .
|
| VH2SO4= ? |
3 (242 )
13 , . ?
, . , H2 , 1 1 1 . Cl2 , 17 , 17 17 .
4 (254 )
13 ?
|
|
|
VAl=13
VPb=13
 =2700 /3
 =11300 /3
| 13=0,0013 |
MAl=2700*0,001=2.7
MPb=11300*0,001=11.3
MPb - MAl = 11.3-2.7=8.6
|
| MPb - MAl =? |
5 (255 )
13 ?
V=13
V=13
 =2700 /3
 =900 /3
|
M =2700*1=2700
M =900*1=900
M /M = 2700/900=3
| |
| M /M =? |
6 (256 )
59 50 3. .
| m=59 V=50c3 | 59/1000=0.059 50/1,000,000=0,00005 3 |
|
|
7 (258 )
461,5 65 3. ?
| m=461,5 V=65c3 | 461,5/1000=0,4615 65/1,000,000=0,000065 3 |
 à
|
|
|
8 (267 )
, 200 ?
|
=710/3
V=200
| 200=2003=200/1000=0,23 |
|
| m-? |
9 (269 )
, 178 355. ? ( )
Mcu=178
MZn=355
|
=Cu+Zn=178+355=533 ( )
V=VZn+Vcu=0.02+0.05=0.073 ( )
| |
|
9 (269 )
5 ?
d=5
| 5/1000=0.005 |  
( ):
S=S1-S2=0.07*0.2-0.06*0.19=
0.014-0.0114=0.0026
: V=S*d=0.0026*0.005=0,0000133
|
|
