N=6*10^23*6=36*10^23 молекул
1)4Li+O2=2Li2O
2)Li2O+2HCl=2LiCl+H2O
3)LiCl+...=MgCl2 невозжожно
4)МgCl2+Ca=CaCl2+Mg
<span>1) 2Na + 2H2O </span>⇒ <span>2NaOH + H2</span>↑
<span>2) MgO + 2HCl </span>⇒ <span>MgCl2 + H2O
3) Al2O3 + H2O </span>≠
<span>4) Na2O + H2O </span>⇒ <span>2NaOH
5) Zn + Pb(NO3)2 </span>⇒ <span>Zn(NO3)2 + Pb</span>↓<span>
6) Hg + AlCl3 </span>≠
<span>7) CaO + H2SO3 </span>≠
Al + Fe2O3 = Fe + Al2O3
Cr2O3 + 2Al = Al2O3 + 2Cr
3 CuO + 2Al = 3Cu + Al2O3
3BaO + 2Al = 2 Ba + (BaAl2)O4 (не уверена)
3Li2O + 2Al = 6Li + Al2O3
везде температура, т.к. алюмотермия