А)H2+Ba=BAH2
б)HCl+Ca=.СаCl2+H2
в)Fe3O2+H2=<span>Fe+H2O
</span> г)Pb3O2+H2=PB+H2O
д)Li+HI= Hl ТАКОГО ЭЛЕМЕНТА НЕТУ
<span>е)H2SO4+Mg=MgSO4+H2</span>
Mr(H2SO4)=98
m=M*n=98*4=392 г
4P +5O2 = 2P2O5
n(P) = 2.6 /31 = 0.084 моль
n(O2) = 5*0.084 / 4 = 0.1 моль
m(O2) = 0.1 * 32 = 3.2 г
Суспензия ............................
NaOH+HCl=.NaCl+H2O
CuO+H2SO4=CuSO4+H2O
K2O+H2O=2.KOH
BaCl2+2AgNO3=2AgCl+Ba(NO3)2
Mg+2HCl=MgCl2+H2
Fe2O3+6HNO3=2Fe(NO3)3+3H2O
SO3+H2O=H2SO4
BaCl2+Na2SO4= 2NaCl+BaSO4
Cu(OH)2+2HCl=2H2O+CuCl2
BaO+H2SO4=BaSO4+H2O
CaO+H2O=Ca(OH)2
Fe(OH)3+3HCl= FeCl3+3H2O
<span>K2O+CO2=K2CO3
</span><span>NaCl+H2O
</span><span>СuSO4 +H2O
</span><span>2KOH
</span><span>Ba(No3)2 + 2AgCl(осадок)
</span><span>MgCl2 + H2
</span><span>2Fe(NO3)3 + 3H2O
</span><span>2SO3
</span><span>BaSO4 + 2 NaCl
</span>СuCl2 + H2O
<span>BaSO4+Н2О
Са(ОН)2
</span>FeCl3 + 3H2O
<span>K2CO3
</span>