<span>HCl+ NaOH=NaCl +H2O
</span><span>2NaOH + H2SO4 = Na2SO4 + 2H2O
</span><span>KOH + HCl = KCl + H2O
</span><span>Fe(OH)2 + H2SO4 = FeSO4 + 2H2O
</span><span>HNO3 + KOH = KNO3 + H2O
</span><span>Ca(OH)2 + H3PO4 = Ca3PO4 + H2O
</span>Cu(OH)2+<span> H</span>2SO4=<span> CuSO</span>4+ 2H2<span>O
</span><span>Al(OH)3 + 3HCl(разб.) = AlCl3 + 3H2O</span><span>
</span><span>H2SO4 + 2 LiOH = Li2SO4 + 2 H2O
</span><span>2HCl+Ba(OH)2=BaCl2+2H2O</span>
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CH3-CH2-CH2-Cl+NaOH(спирт. раствор)=CH3-CH=CH2+NaCl+H2O
1)
HCL+NaOH=NaCL+H2O
H(+) + CL(-) + Na(+) + OH(-) =
Na(+) + CL(-) + H2O
H(+) + OH(-) =H2O
2)
CuSO4+2NaOH=Cu(OH)2+Na2SO4
Cu(2+) + SO4(2-) + 2Na(+) + 2OH(-) =
Cu(OH)2 + 2Na(+) + SO4(2-)
Cu(2+) + 2OH(-) = Cu(OH)2
3)
FeSO4+2NaOH=Fe(OH)2+Na2SO4
Fe(2+) + SO4(2-) + 2Na(+) + 2OH(-) =
Fe(OH)2 + 2Na(+) + SO4(2-)
Fe(2+) + 2OH(-) =Fe(OH)2
4)
FeSO4+Na2CO3=FeCO3+Na2SO4
Fe(2+) + SO4(2-) + 2Na(+) +CO3(2-) =
FeCO3 + 2Na(+) + SO4(2-)
Fe(2+) + CO3(2-) = FeCO3
1. Zn + 2HCl = ZnCl2 + H2
n(Zn) = n(H2) = m(Zn)/M(Zn) = 13/65 = 0,2 моль
V(H2) = nxVm = 0,2x22,4 = 4,48 л
2. Mg + 2HCl = MgCl2 + H2
m(Mg чист.) = m(Mg техн.)xW(Mg) = 7x0,93 = 6,51 г
W(Mg) = 100 - W(примесей) = 100 - 7 = 93 % = 0,93
n(H2) = n(Mg) = m(Mg)/M(Mg) = 6,51/24 = 0,27 моль
V(H2) = nxVm = 0,27x22,4 = 6,048 л