5NaJ+NaJO3+3H2SO4=3J2+3Na2SO4+3H2O10<span>KJ+ 2KMnO4+ 8H2SO4= 5J2+ 2MnSO4+ 6K2SO4+ 8H2O
</span>
<span>5Mg+ 12HNO3= 5Mg(NO3)2+ N2+ 6H2O</span>
1 моль FeCl3=162.5
0,1* 162.5=16.25
x----------------16.25
2Fe+3CL2=2FeCL3
112-------------325
x=112*162.5/325=5.6 г
Посчитать надо MrCH3COOH=60,
H - 4 Mr=4
W=4/60*100%=6,67%
CH4->CH3Cl->CH3-CH2-CH3
CH4+Cl2 = CH3Cl+HCl
CH3Cl + 2 Na + C2H5Cl = CH3-CH2-CH3 + 2 NaCl ( реакция Вюрца)