CH3COONa+NaOH=CH4+Na2CO3
n(CH3COONa)=12.3/82=0.15
n(CH4)=2.688/22.4=0.12
vixod=(0.12/0.15)*100=80
otvet 80
P4-Фосфор
C-Углерод
Поставьте как лучший ответ)
1) Кислородсодержащие органические соединения сгорают с образованием углекислого газа CO2 и воды H2O
<span>Fe2(SO4)</span><em>3+<span> KOH=<span>2Fe(OH)3+3K2SO4</span></span></em>
<em><span><span><span><em>MgO+Sr(OH)2=</em></span></span></span></em>
<em><span><span><span><em /><span>CO2+<span> NaOH=<span>NaHCO3</span></span></span></span></span></span></em>
<em>K2O+H2O=<span>2КОН</span></em>
<em><span><span>P4O10+Са(OH)2=<span>2Са3(РО4)2 + 6Н2О</span></span></span></em>
<em><span><span><span><span>2Al + 6HCl(разб.) = 2AlCl3 + 3H2↑</span></span></span></span></em>
<em>H2CO3+Ba(OH)2=<span>BaCO3 + 2H2O</span></em>
<em><span><span>MgSO4+<span> Са(NО3)2=</span></span></span></em>
<em>zn+<span>Pb (NO3)2=<span>Pb + Zn(NO3)2</span></span></em>
<em><span><span><em>LiOH</em><span> + </span><em>NiO</em><span> = LiO + NiOH</span></span></span></em>
<em><span><span><span>Hg+<span>HBr=</span></span></span></span></em>
<em><span><span>mgO=Mg+O</span></span></em>