2) - 2NaOH+MgO=Mg(OH)2+Na2O
И то и другое.
а)CH4=C+2H2 - катализатор никель
б)CH4+H2O=CO+3H2
(14+3*1)*33,6/22,4*100/(150+(14+3*1)*33,6/22,4)=25,5*100/175,5=14,5\%
<span>Вот и весь "ход решения"</span>
Na2so4 = 2na+ + so4 2-
H3BO3 = 3H+ + BO3 3-
Cu(NO3)2 = Cu 2+ 2NO3-
HBr = H+ + Br-
Cr2(SO4)3 = 2Cr 3+ + 3SO4 2-
FeSO4 = Fe 2+ + SO4 2-
<span>Na2SO3 + H2SO4 => Na2SO4 + H2O + SO2 </span>Na2CO3+H3PO4= CuO+HCl= Fe(OH)3+H2SO4= CaO+H2O= CuCl2+NaOH= BaCl2+H2SO4= Na2SO4+BaCl2=3 Na2CO3+2H3PO4=2Na3PO4+3CO2+3H2O CuO+2HCl=CuCl2+H2O
2Fe(OH)3+3H2SO4= Fe2(SO4)3+6H2O
CaO+H2O=Ca(OH)2
CuCl2+2NaOH= Cu(OH)2+2NaCl
BaCl2+H2SO4=BaSO4+2HCl
<span>Na2SO4+BaCl2=2NaCl+BaSO4
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