Nizomiy nomidagi tdpu tabiiy fanlar fakulteti

V=m/M
Tenglamadan foydalanib mis oksidining massasini (m) hisoblaymiz.
m=M=0.3 mol 80 g/1mol=124 gramm.
Modda miqdorini aniqlash.
1.18 gr ugleroddagi modda miqdorini aniqlang.
Yechish: C ning nisbiy massasi=12 ga teng.
N(C)=18:12=1.5 J:1.5 mol.
2. 66 ggr uglerod (IV) oksiddagi modda miqdorini aniqlang.
Yechish:CO2=44.
N(CO2)=66/44=1.5 J:1.5mol.
3.51 gr ammiakdagi (NH3) modda miqdorini aniqlang.
Yechish: (NH3)=51/173 J:3 mol.

4. 0.4 mol miqdoridagi mis kuporosi (CuSO₄x5H₂O) massasini hisoblang.
Yechish: (CuSx5H2O)=160gr.
1molda------------160gr
0.4------------------X gr.
X=100 gr J:100gr.

5. 2 mol miqdordagi malaxit (Cu(OH)₂xCuCO₃) massasini hisoblang.
Yechish: (Cu(OH)xCuCO₃)=222gr.
1molda------------------------222g
2molda------------------------X gr.
X=444 gr. J:444 gr.
6. 0.3 mol miqdoridagi so’ndirilmagan ohak (CaO) massasini hisoblang.
Yechish: (CaO)=56gr
1molda --------------56 gr
0.3 molda-----------X gr.
X=16.8 gr J: 16.8 gr
7. 96.6 gr glauber tuzi (Na₂SO₄x10H₂O) dagi modda miqdorini aniqlang.
Yechish: Na₂SO₄x10H₂O=322gr.
322gr--------------1 mol
96.6 gr------------x mol.
X=0.3 mol. J: 0.3 mol.
8. 0.25 mol miqdordagi dolomit (CaCO₃xMgCO₃) massasini hisoblang.
Yechish: (CaCO3xMgCO3)=184gr.
184gr---------------1 mol
x---------------------0.25mol x=46 gr J:46 gr.
9. 0.3 mol miqdoridagi so’ndirilgan ohak (Ca(OH)₂) massasini hisoblang.
Yechish: (CA(OH)₂)=74gr.
74gr----------------1mol
x--------------------0.3 mol
x=22.2gr. J: 22.2gr.
10. 12 gr marmardagi (CaCO₃) modda miqdorini naniqlang.
Yechish:CaCO₃=100gr.
100gr-------------1mol x=0.12 mol. J:0.12 mol.
12 gr --------------xmol.