Кислоты.
1-4
2-4
3-4
4-4
5-2,4,6
6-2
7-1
8-3
9-2
10-1
11-2.4
Соли
12-2 15-4 16-3 17-4 18-2 19-4 20-3 21-1
13-3 22-1,3,4 23-3 24-4 25-2 26-3
14-3 27-2 28-3 29-2 30-3
Msol=80·0.05=4g
mH2O=80-4=76g
<span>2KNO</span>3<span> = 2KNO</span>2<span> + O</span>2
V(O2) = 303*22.4/202=33.6 л
Mr(Na2SO3)=23*2+32+16*3=126
Mr(Cu3(PO4)2)=64*3+31*2+16*8=382
Mr(Mg(OH)2)=24+16*2+2=58
Mr(H2SO3)=2+32+16*3=82
Mr(P2O3)=31*2+16*3=110