1.

\(a.\)

\(V_{hh}=\left(0.1+0.2+0.02+0.03\right)\cdot24=8.4\left(l\right)\)

\(b.\)

\(V_{hh}=\left(0.04+0.015+0.06+0.08\right)\cdot24=4.68\left(l\right)\)

\(2.\)

\(a.\)

\(V_{H_2}=0.5\cdot22.4=11.2\left(l\right)\)

\(V_{O_2}=0.8\cdot22.4=17.92\left(l\right)\)

\(b.\)

\(V_{CO_2}=2\cdot22.4=44.8\left(l\right)\)

\(V_{CH_4}=3\cdot22.4=67.2\left(l\right)\)

\(c.\)

\(V_{N_2}=0.9\cdot22.4=20.16\left(l\right)\)

\(V_{H_2}=1.5\cdot22.4=33.6\left(l\right)\)

Bài 5:

\(m_{Y}=m_{SO_2}+m_{CH_4}=\dfrac{3,36}{22,4}.64+\dfrac{13,44}{22,4}.16=19,2(g)\)

Bài 6:

\(V_{CO_2}=0,15.22,4=3,36(l)\\ V_{NO_2}=0,2.22,4=4,48(l)\\ V_{SO_2}=0,02.22,4=0,448(l)\\ V_{N_2}=0,03.22,4=0,672(l)\)

\(a.V_{NH_3}=0,8.22,4=17,92\left(l\right)\\ b.n_{N_2}=\dfrac{140}{28}=5\left(mol\right)\\ V_{N_2}=112\left(l\right)\\ n_{O_2}=\dfrac{96}{32}=3\left(mol\right)\\ V_{O_2}=22,4.3=67,2\left(l\right)\)

\(c.n_{hh}=0,5+0,2=0,7\left(mol\right)\\ V_{hh}=0,7.22,4=15,68\left(l\right)\\ d.m_{NH_3}=4,25\left(g\right)\\ n_{CO}=\dfrac{28}{22,4}=1,25\left(mol\right)\\ m_{CO}=1,25.28=35\left(g\right)\\ m_{hh}=4,25+35=39,25\left(g\right)\)

a. Thể tích của 0,8 mol khí NH3 (đktc)

=>V_NH3=0,8.22,4=17,92l

b. Thể tích ở đktc của 140 g khí Nitơ ; 96g khí Oxi

n_N2=140\14.2=5 mol

n_O2=96\32=3 mol

=>V_hh=(5+3).22,4=179,2l

c. Thể tích của hỗn hợp khí gồm 0,5 mol Cl2 và 0,2 mol N2 ở điều kiện tiêu chuẩn.

=>V_hh=(0,5+0,2).22,4=15,68l

d. Khối lượng của hỗn hợp 0,25 mol khí NH3 , 28lit khí CO.

n _CO=28\22,4=1,25 mol

=>m_hh=0,25.17+1,25.28=39,25g

a) nNaOH=20/40=0,5(mol)

nN2=1,12/22,4=0,05(mol)

nNH3= (0,6.10²³)/(6.10²³)=0,1(mol)

b) mAl2O3= 102.0,15= 15,3(g)

mSO2= nSO2 . M(SO2)= V(CO2,đktc)/22,4 . 64= 6,72/22,4. 64= 0,3. 64= 19,2(g)

mH2S= nH2S. M(H2S)= (0,6.10²³)/(6.10²³) . 34=0,1. 34 = 3,4(g)

c) V(CO2,đktc)=0,2.22.4=4,48(l)

nSO2=16/64=0,25(mol) -> V(SO2,đktc)=0,25.22,4=5,6(l)

nCH4=(2,1.10²³)/(6.10²³)=0,35(mol) -> V(CH4,đktc)=0,35.22,4=7,84(l)

a,n=m/M=20/(23+17)20:40=0,5(mol)

n=V/22,4=11,2/22,4=0,5(mol)

n=số pt/số Avogađro=6.10^23:6.10^23=1

\(V_{O_2}=0,25.22,4=5,6\left(l\right)\)

\(V_{N_2}=0,1.22,4=2,24\left(l\right)\)

\(V_{CO_2}=0,45.22,4=10,08\left(l\right)\)

\(V_{hh}=5,6+2,24+10,08=17,92\left(l\right)\)

$V_{hh}=22,4(0,25+0,1+0,45)=17,92(lít)$

\(n_{CaCO3}=\dfrac{15}{100}=0,15\left(mol\right)\)

400ml = 0,4l

\(n_{HCl}=1.0,4=0,4\left(mol\right)\)

a) Pt : \(CaCO_3+2HCl\rightarrow CaCl_2+CO_2+H_2O|\)

               1              2             1           1            1

             0,15         0,4           0,15       0,15

b) Lập tỉ số so sánh : \(\dfrac{0,15}{1}< \dfrac{0,4}{2}\)

                  ⇒ CaCO₃ phản ứng hết , HCl dư

                  ⇒ Tính toán dựa vào số mol của CaCO₃

\(n_{HCl\left(dư\right)}=0,4-\left(0,15.2\right)=0,1\left(mol\right)\)

⇒ \(m_{HCl\left(dư\right)}=0,1.36,5=3,65\left(g\right)\)

c) \(n_{CO2}=\dfrac{0,15.1}{1}=0,15\left(mol\right)\)

\(V_{CO2\left(dktc\right)}=0,15.22,4=3,36\left(l\right)\)

d) \(n_{CaCl2}=\dfrac{0,15.1}{1}=0,15\left(mol\right)\)

\(C_{M_{CaCl2}}=\dfrac{0,15}{0,4}=0,375\left(M\right)\)

\(C_{M_{HCl\left(dư\right)}}=\dfrac{0,1}{0,4}=0,25\left(M\right)\)

 Chúc bạn học tốt

\(a,m_{H_2S}=0,4.34=13,6(g);V_{H_2S}=0,4.22,4=8,96(l)\\ m_{SO_2}=0,025.64=1,6(g);V_{SO_2}=0,025.22,4=0,56(l)\\ m_{NO}=0,22.30=6,6(g);V_{NO}=0,22.22,4=4,928(l)\)

\(b,m_{CO}=0,45.28=12,6(g);V_{H_2S}=0,45.22,4=10,08(l)\\ m_{NH_3}=0,45.17=7,65(g);V_{NH_3}=0,45.22,4=10,08(l)\\ m_{CH_4}=0,45.16=7,2(g);V_{CH_4}=0,45.22,4=10,08(l)\\ m_{CO_2}=0,45.44=19,8(g);V_{CO_2}=0,45.22,4=10,08(l)\)

\(c,m_{hh}=0,1.28+0,3.48+0,375.36,5=30,8875(g)\\ V_{hh}=22,4.(0,1+0,3+0,375_17,36(l)\\ d,n_{O_2}=\dfrac{6.10^{23}}{6.10^{23}}=1(mol)\\ \Rightarrow m_{O_2}=32(g);V_{O_2}=22,4(l)\\ n_{N_2O_5}=\dfrac{7,2.10^{23}}{6.10^{23}}=1,2(mol)\\ \Rightarrow m_{N_2O_5}=1,2.108=129,6(g);V_{N_2O_5}=26,88(l)\\ n_{CO}=\dfrac{4,5.10^{23}}{6.10^{23}}=0,75(mol)\\ \Rightarrow m_{CO}=0,75.28=21(g);V_{CO}=0,75.22,4=16,8(l)\)

a,

\(mH_2S=0,4.34=13,6\left(gam\right)\):,\(VH_2S\left(đktc\right)=22,4.0,4=8,96lít\)

 \(mSO_2=0,025.64=1,6\left(gam\right)\);\(VSO_2=22,4.0,025=0,56l\)

\(V_{H_2}=0,6.24,79=14,874(l)\)

\(VH2=0,6.22,4=13,44\)\((l)\)

khí (chắc thế)

\(V_{NH_3}=0,125.22,4=2,8l\)