Pb(OH)2 t° = PbO + H2O
PbO + 2 HNO3 = Pb(NO3)2 + H2O
Pb(NO3)2 + Mg = Mg(NO3)2 + Pb ↓
<u> [COCl₂] </u><u>
</u>K = [CO] * [Cl₂]
Дано
n((K2O)=2 mol
--------------------
n(KOH)-?
K2O+H2O-->2KOH
n(K2O)=2n(KOH)
n(KOH)=2*2=4 mol
ответ 4 моль
N=8.428*10*23 делим на 6.02*10*23= 1.4
m=Mr*n=189*1.4=264.6
C2H5OH+CH3COOH=CH3COOH5C2+H2O
n
CH3COOH5C2=70.4/88.11= 0.799 моль
n CH3COOH=0.99875 моль
m CH3COOH=0.99875*60=59.9 г