B1:

\(n_C=\dfrac{96\%.14.1000}{12}=1120\left(mol\right)\\ n_S=\dfrac{2,56\%.14.1000}{32}=11,2\left(mol\right)\\ C+O_2\rightarrow\left(t^o\right)CO_2\\ S+O_2\rightarrow\left(t^o\right)SO_2\\ n_{SO_2}=n_S=11,2\left(mol\right)\\ n_{CO_2}=n_C=1120\left(mol\right)\\ V_{CO_2\left(đktc\right)}=1120.22,4=25088\left(l\right)\\ n_{SO_2\left(đktc\right)}=11,2.22,4=250,88\left(l\right)\)

B2:

\(n_{C_2H_6}=\dfrac{1,8.\left(100\%-2\%\right).1000}{22,4}=78,75\left(mol\right)\\ C_2H_6+\dfrac{7}{2}O_2\rightarrow\left(t^o\right)2CO_2+3H_2O\\ n_{O_2\left(đktc\right)}=\dfrac{7}{2}.78,75=275,625\left(mol\right)\\ V_{O_2\left(đktc\right)}=275,625.22,4=6174\left(l\right)=6,174\left(m^3\right)\)

Khối lượng C chứa trong 1 tấn than:

PTHH: \(C+O_2\xrightarrow[]{t^o}CO_2\)

           12---32-------gam

           0,96--x-------tấn

\(\Rightarrow x=\dfrac{0,96.32}{12}=2,56\left(\text{tấn}\right)\)

Ta có: \(m_C=1,5.1000.90\%=1350\left(g\right)\)

\(n_C=\dfrac{1350}{12}=112,5\left(mol\right)\)

PT: \(C+O_2\underrightarrow{t^o}CO_2\)

Theo PT: \(n_{O_2}=n_C=112,5\left(mol\right)\)

\(\Rightarrow V_{O_2}=112,5.22,4=2520\left(l\right)\)

\(V_{kk}=V_{O_2}.5=12600\left(l\right)\)

→⎧⎪ ⎪⎨⎪ ⎪⎩nC=60012=50(mol)nS=832=0,25(mol)→{nC=60012=50(mol)nS=832=0,25(mol)

PTHH:

C + O₂ ---t^o----> CO₂

_{50.....50.......................................(mol)}

S + O₂ ----t^o---> SO₂

^{0,25...0,25 ............................................(mol)}

→ VO2VO2 _{(cần dùng)} = (50 + 0,25) . 22,4 = 1125,6 (l)

=>Vkk=1125.6.5=5628l

Khối lượng C có trong 1,5 tấn than là: \(m_C=\dfrac{1,5.95}{100}=1,425\) (g)

\(n_C=\dfrac{m}{M}=\dfrac{1,425}{12}=\dfrac{19}{160}\)(mol)

PTHH: C + O₂ → CO₂

Theo PT: \(n_{O_2}=n_C=\dfrac{19}{160}\)

Khối lượng khí oxi cần dùng là: \(m_{O_2}=n.M=\dfrac{19}{160}.32=3,8\)(g) 

Khối lượng C có trong 1 tấn than là:

\(m_C=12\cdot\left(100-1.5-0.5\right)\%=11.76\left(kg\right)\)

\(n_C=\dfrac{11.76}{12}=0.98\left(kmol\right)\)

\(m_S=12\cdot0.5=6\left(kg\right)\)

\(n_S=\dfrac{6}{32}=0.1875\left(kmol\right)\)

\(S+O_2\underrightarrow{t^0}SO_2\)

\(C+O_2\underrightarrow{t^0}CO_2\)

\(V_{O_2}=\left(0.1875+0.98\right)\cdot22.4=26.152\left(kl\right)=26125\left(l\right)\)

\(n_C=\dfrac{7,5.96\%}{12}=0,6\left(mol\right)\\ C+O_2-^{t^o}\rightarrow CO_2\\ n_{O_2}=n_C=0,6\left(mol\right)\\ \Rightarrow V_{O_2}=0,6.22,4=13,44\left(l\right)\)