\(a.m_{CO_2}=3.44=132\left(g\right)\\ m_{CO}=2.28=56\left(g\right)\\b. m_{SO_2}=0,1.64=64\left(g\right)\\ m_{O_2}=0,05.32=16\left(g\right)\)

Thành phần % theo khối lượng:

Thành phần % về thể tích:

\(a.V_{N_2}=n.22,4=0,25.22,4=5,6\left(l\right)\)

\(b.n_{NH_3}=\dfrac{0,9.10^{23}}{6.10^{23}}=0,15\left(mol\right)\\ V_{NH_3}=n.22,4=0,15.22,4=3,36\left(l\right)\)

\(c.n_{SO_2}=\dfrac{3,2}{64}=0,05\left(mol\right)\\ V_{SO_2}=n.22,4=0,05.22,4=1,12\left(l\right)\)

a: \(V=0.25\cdot22.4=5.6\left(lít\right)\)

\(1,\\ a,m_{hh}=3.44+2.28=188(g)\\ b,m_{hh}=\dfrac{2,24}{22,4}.64+\dfrac{1,12}{22,4}.32=8(g)\\ 2,\\ a,V_{hh}=(\dfrac{4,4}{44}+\dfrac{0,4}{2}).22,4=6,72(l)\\ b,V_{hh}=(\dfrac{6.10^{23}}{6.10^{23}}+\dfrac{3.10^{23}}{6.10^{23}}).22,4=33,6(l)\)

a)

$V_{O_2} = 0,2.22,4 = 4,48(lít)$

b)

$n_{SO_2} = \dfrac{76,8}{64} = 1,2(mol)$
$V_{SO_2} = 1,2.22,4 = 26,88(lít)$

c)

$n_{N_2} = \dfrac{7,5.10^{23}}{6.10^{23}} = 1,25(mol)$
$V_{N_2} = 1,25.22,4 = 28(lít)$

d)

$V_X = (0,2 + 0,25).22,4 = 10,08(lít)$

a) V(O2,đktc)=0,2.22,4=4,48(l)

b) V(SO2,đktc)= (76,8/64).22,4=26,88(l)

c) V(N2,đktc)= [(7,5.10²³)/(6.10²³)].22,4= 28(l)

d) VhhX(đktc)= V(O2,đktc) + V(N2,đktc)= 0,2.22,4+0,25.22,4=10,08(l)

F20: Tính thể tích ở đkc của :

a. 0,2 mol O₂

=> \(V_{O_2}=0,2.22,4=4,48\left(l\right)\)

b. 76,8 gam SO₂

\(n_{SO_2}=\dfrac{76,8}{32+16.2}=1,2\left(mol\right)\)

=> \(V_{SO_2}=1,2.22,4=26,88\left(l\right)\)

c. 7,5 .10²³ phân tử N₂ 

\(n_{N_2}=\dfrac{7,5.10^{23}}{6.10^{23}}=1,25\left(mol\right)\)

=> \(V_{N_2}=1,25.22,4=28\left(l\right)\)

a, V_{O\(_2\)} = 0,15 . 22,4 = 3,36 lít

b, V_{\(CO_2\)}  = \((\dfrac{48}{44}).22,4\approx24,43\) ( lít )

c, \(V_{SO_2}=\left(\dfrac{16}{64}\right).22,4=5,6\) ( lít )

\(V_{H_2}=\left(\dfrac{18.10^{23}}{6.10^{23}}\right).22,4=67,2\) ( lít )

=> \(V_{hh}=5,6+67,2=72,8\) ( lít )

Bài 31: 

a, m_{Fe\(_2\)O\(_3\)} = 0,4. 160 = 64( g )

b, \(m_{CO_2}=\left(\dfrac{14,56}{22,4}\right).44=28,6\) ( g )

c, \(m_{O_2}=\left(\dfrac{1,2.10^{23}}{6.10^{23}}\right).32=6,4\) ( g )

\(a_1,m_{CaCO_3}=0,25.100=25(g)\\ a_2,m_{SO_2}=\dfrac{3,36}{22,4}.64=9,6(g)\\ a_3,m_{H_2SO_4}=\dfrac{9.10^{23}}{6.10^{23}}.98=147(g)\)