a) 

\(n_{SO_2}=\dfrac{m}{M}=\dfrac{3,2}{64}=0,05\left(mol\right)\\ n_{CO_2}=\dfrac{V_{\left(\text{đ}ktc\right)}}{22,4}=\dfrac{3,36}{22,4}=0,15\left(mol\right)\)

b) 

\(n_{Cl_2}=\dfrac{V_{\left(\text{đ}ktc\right)}}{22,4}=\dfrac{1,344}{22,4}=0,06\left(mol\right)\Rightarrow m_{Cl_2}=n.M=0,06.71=4,26\left(mol\right)\\ n_{Na_2CO_3}=n.M=0,5.106=53\left(g\right)\)

c) 

\(V_{N_2\left(\text{đ}ktc\right)}=n.22,4=0,25.22,4=5,6\left(l\right)\\ n_{O_2}=\dfrac{m}{M}=\dfrac{4,8}{32}=0,15\left(mol\right)\Rightarrow V_{O_2\left(\text{đ}ktc\right)}=n.22,4=0,15.22,4=3,36\left(l\right)\)

\(a.m_{Mg}=0,1.24=2,4\left(g\right)\\ m_{Ca}=0,2.40=8\left(g\right)\\ b.n_{hh}=\dfrac{2,8}{28}+\dfrac{13,2}{44}=0,4\left(mol\right)\\ \Rightarrow V_{hh}=0,4.22,4=8.96\left(l\right)\)

\(m_{Al_2O_3}=n.M=0,5.102=51\left(g\right)\\ m_{Fe_2O_3}=n.M=0,2.160=32\left(g\right)\\ \Rightarrow m_{hh}=51+32=83\left(g\right)\)

\(n_{hh}=0,2.0,5=0,7\left(mol\right)\\ \Rightarrow V_{hh}=n.22,4=0,7.22,4=15,68\left(l\right)\)

mAl2O3=0,5.(27.2+16.3)=51g

mFe2O3=0,2.(56.2+16.3)=32g

Vco2=0,2.22,4=4,48g

Vn2=0,5.22,4=11,2g

1.

\(a.\)

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

\(b.\)

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

\(2.\)

\(a.\)

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

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

\(b.\)

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

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

\(c.\)

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

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

a) \(n_{Mg}=\dfrac{2,4}{24}=0,1\left(mol\right)\)

\(n_{Zn}=\dfrac{32,5}{65}=0,5\left(mol\right)\)

\(n_{Al}=\dfrac{2,7}{27}=0,1\left(mol\right)\)

\(n_{Cu}=\dfrac{19,2}{64}=0,3\left(mol\right)\)

b) 

\(m_{CO_2}=44.0,5=22\left(g\right)\)

\(m_{H_2}=1,5.2=3\left(g\right)\)

\(m_{N_2}=2.28=56\left(g\right)\)

\(m_{CuO}=3.80=240\left(g\right)\)

c) \(n_{Cl_2}=\dfrac{14,2}{71}=0,2\left(mol\right)\)

\(n_{H_2}=\dfrac{4,8}{2}=2,4\left(mol\right)\)

\(n_{O_2}=\dfrac{3,2}{32}=0,1\left(mol\right)\)

=> n_hh = 0,2 + 2,4 + 0,1 = 2,7 (mol)

=> V_hh = 2,7.22,4 = 60,48(l)

Bạn tham khảo bài mình làm cho bạn khác nhé! Tại vì mình thấy cũng giống nhau nè :D

\(a.V_{N_2}=\dfrac{14}{28}.22,4=11,2\left(l\right)\\ b.n_{NH_3}=\dfrac{32}{17}.22,4=42,16\left(l\right)\\ c.V_{Fe}=\dfrac{6,5}{56}.22,4=2,6\left(l\right)\\ d.V_{CO_2}=\dfrac{11}{44}.22,4=5,6\left(l\right)\)

a) \(n_{NaOH}=\dfrac{8}{40}=0,2\left(mol\right)\)

b) \(n_{N_2}=\dfrac{1,8.10^{23}}{6.10^{23}}=0,3\left(mol\right)\)

=> \(m_{N_2}=0,3.28=8,4\left(g\right)\)

c) \(n_{CO_2}=\dfrac{8,8}{44}=0,2\left(mol\right)=>V_{CO_2}=0,2.22,4=4,48\left(l\right)\)

d) \(n_{H_2}=\dfrac{3,36}{22,4}=0,15\left(mol\right)\)

=> Số phân tử H₂ = 0,15.6.10²³ = 0,9.10²³

e) \(n_{O_2}=\dfrac{4,48}{22,4}=0,2\left(mol\right)\)

f) \(n_{Cl_2}=\dfrac{3,6.10^{23}}{6.10^{23}}=0,6\left(mol\right)\)

=> V_Cl2 = 0,6.22,4 = 13,44(l)

g) \(n_{O_2}=\dfrac{6,72}{22,4}=0,3\left(mol\right)\)

=> m_O2 = 0,3.32 = 9,6(g)

h) \(n_{K_2O}=\dfrac{18,8}{94}=0,2\left(mol\right)\)

=> Số phân tử K₂O = 0,2.6.10²³ = 1,2.10²³

i) \(n_{CaO}=\dfrac{11,2}{56}=0,2\left(mol\right)\)

=> Số phân tử CaO = 0,2.6.10²³ = 1,2.10²³

n_HCl = 0,2.1,5 = 0,3 (mol)

=> m_HCl = 0,3.36,5 = 10,95(g)