CuI₂ = Cu²⁺ + 2I⁻
(k-) Cu²⁺ + 2e = Cu⁰
(a+) 2I⁻ - 2e = I₂⁰
CuI₂ = Cu + I₂
Дано:
N(F2)=12*10²³
N(N2)=3*10²³
N(CI2)=1,8*10²³
найти:
n(F2) -?
n(N2)=?
n(CI2)-?
m(F2)-?
m(N2)-?
m(CI2)-?
V(F2)-?
V(N2)-?
V(CI2)-?
решение
M(F2)=38г/моль
n(F2)=12*10²³/6*10²³=2моль
V(F2)=2*22,4=44,8л
m(F2)=2*38=76г
M(N2)=28г/моль
n(N2)=3*10²³/6*10²³=0,5моль
V(N2)=0,5*22,4=11,2л
m(N2)=0,5*28=14г
M(CI2)=71г/моль
n(CI2)=1,8*10²³/6,*10²³=0,3моль
V(CI2)=0,3*22,4=6,72л
m(CI2)=0,3*71=21,3г
1. C4H10=C4H6+2H2
2.C3H8=C3H6+H2
3.C2H2+H2O=CH3COH
4.CH3COH+Ag2O=CH3COOH+2Ag
5.CH3COOH+C2H5OH=CH3COOC2H5+H2O
6.CH4+O2=HCOH+H2O
7.C3H7COOCH3+H2O=C3H7COOH+CH3OH
8.C2H5OH-C2H4+H2O
9.C2H4(OH)2+2HCL=C2H4CL2+2H2O
10.C2H4+Br2=C2H4Br2
11.CH3COOH+NaOH=CH4+Na2CO3+H2O