<span>m(H2SO4)чист. = 300*0.2 = 60г n(H2SO4) = m/M = 60/98 = 0.61 моль
</span>
Ag + 2HNO3 = AgNO3 + NO2 + H2O
4Zn + 2NO2 =4 ZnO + N2
ZnO + 2KOH + H2O = K2[Zn(OH)4]
K2[Zn(OH)4] + 3 H2S = 2 <span>KHS + </span>ZnS + 4 H2O
1)C3H7OH + 5O2= 3CO2 + 4H2O
2)CH3OH + CuO=CH2O +H2O + Cu
CH3 CH3
| |
3)CH3-CH2-C-CH3 + HCl=CH3-CH2-C-CH3 + H2O
| |
OH Cl
4)CH3OH+CH3OH=CH3-O-CH3+H2O
H2SO4
5)CH3-CH-CH2----------->CH3-CH=CH2 + H2O
| | 180` C
H OH