13t2
> Fe + CO2
(-1x2) x 1
(2,1,2) (12) Na + Cl2 → Naci
1.-13.00
Talle who has that the
一、作文议厅(3) Sing
3,4913kg + temiy-
1972 1678 3 7 8 = 3
ETBE
4, 5 2 4 4 H 200 ht HD
2016, H, OHH₂O
電 15
(1.2,1,2) (13)Sn** +. Fe+ → Sn2+ + Fe3+ CLAR!= 12-BID
(+0,5x2)72
2x3 + 2X=-2gx=+2
-2x6+AX = 2, X=+),5
一列
11
(+1)x 2
中,
2
(1,2,31)(14)/2 + $203-11 + 4062-
3)
27X 6 = -2, X=-3
42-12=-2 , X-11 4 = 2,5
- 5,118,51,4)
(15)Fea* + MnO4 +H > Fe3+ +/Mn2+
+ H2O
x+(-3)*4 = -1,2=th
et = 5(12)+(-+-+* = $(43)+673)
(1,6,14,2,3,7)(16)Cr2072 +1+H* → Cr3+ + 12 + H20
²0%-2 baths 为
+ 2524 行
5,03
(5.118,5,6,4) (15)Fe24
Sao
x -2
=X43 (-2) = -2 Chh
X=42 三
2=8. (H)
! H2O = 4.
(1,4,3,1,1,16). (17)K36r207 +a Hysogata b H2C2O4 +cK3SO4 + d Cr?(504)3 + e +40 + f coz with a
b、c、d、e、f六個係數之總和為多少?