Дано
V(CH4)=3.2 m3 = 3200 L
------------------------------
V(CO2)=?
3200 X Х1
CH4 + O2-->CO2+2H2
1 mol 1mol 1mol
X=3200*1/1=3200 L
X1=3200*1/1=3200 л
ответ 3200 л - СО2 , 3200 - О2
Пожалуй, вот так вот будет, но уверенность не 100%
1.
а) Zn + 2HCl → ZnCl2 + H2б) 4Al + 3<span>O2</span> → 2<span><span>Al2</span><span>O<span>3
в)</span></span></span><span><span>P2</span><span>O5</span></span> + 3<span><span>H2</span>O</span> → 2<span><span>H3</span>P<span>O<span>4
г)</span></span></span><span><span>H3</span>P<span>O4</span></span> + 3<span>NaOH</span> → <span><span>Na3</span>P<span>O4</span></span> + 3<span><span>H2</span><span>O
2. Еще пока не знаю, я в 8 классе.</span></span>
N(HBr) = V(HBr) /Vm = 33,6/22,4 = 1,5 моль
<span>m(HBr) = n(HBr)*M(HBr) = 1,5*81 = 121,5 г
</span><span>m(p-pa HBr) = m(H2O) + m(HBr) = 200 + 121,5
=321,5 г</span>
<span>W(HBr) = m(HBr)/m(p-pa HBr) = 121,5/321,5 = 0,38 или<span> 38\%</span></span>