<span>C1.
96 150
</span><span><em>2Al+3S=Al2S3</em>
</span><span> 2.4m x
</span><span><em>2.4*150/96=3.75 моль</em>
</span><em>n=m/Mr</em>
<em>m=Mr*n=3.75*150=562.2г</em><em>
</em><u>Ответ: 562.2г
</u>
C2.
<span><em>C+O2 = CO2 </em>
</span><span><em>СО2+2КОН=К2СО3+Н2О </em></span>
<em>K2CO3+BaSO4=BaCO3+K2SO4</em><u>
</u>
1)
2H2O=>2H2+O2
AgNo3+AlCl3=>AgCl3+Al(NO3)3
SO2<span> + </span>K2O<span> = </span>K2<span>SO3</span>
<span>Na2S<span> + </span>H2SO4<span>(разб.)=SO2 + </span>Na2SO4<span> + </span>H2<span>O</span></span>
<span><span>2)</span></span>
14.4:65=0.22моль Zn
V(H2)=22.4*0.22=5 л
3)
H2SO4<span>+</span>BaCl2<span>=BaSO4+2HCl</span>
<span>KNO3+NaoH=>KOH+NaNO3</span>
<span>H2+Cl2=>2HCl</span>
KOH + HNO3 = KNO3 + H2O
n(KOH) = m/M = 10/56 = 0,18 моль (избыток)
n(HNO3) = m/M = 10/63 = 0,16 моль (недостаток)
Считаем по недостатку: n(HNO3) = n(KNO3) = 0,16 моль
m(KNO3) = n*M = 0,16*101 = 16,16 г
C2H6 + Cl2 =свет= C2H5Cl + HCl
2C2H5Cl + 2Na =t= C4H10 + 2NaCl
С4H10 =t= C2H6 + C2H4
2C2H6 + 7O2 = 4CO2 + 6H2O