3
NO 93.0mL Ag _____
NO
__________________________________________________________________________
2 Fe2O
3FeOSiO2 (Fe 2O
3)
1 ______________
2 ______________
3 ______________
4 35 ____________________________
5 ______________
6 Fe ag
H2O2 NaOH
bg Fe ______________
3 CuS NaCl CuCl22H2O
pH
CuS+2NaCl+2O2= CuCl 2+Na2SO
4
(1) A
BC ________( ) _______
(2) pH pH pH ____________
(3) SO
42- Cl - _____________
4 17
1
_______________
______
2 189g -1 NO
