Moddalarning molyar massasini topish

1-MAVZU:
MODDALARNING MOLYAR MASSASINI TOPISH


Quyidagi moddalarning molyar massasini toping:

1. MgSO₄ 6. Na₃PO₄ 11. Al₂(SO₄)₃16. H₂O₂ 21. Be(OH)₂

2. NaHCO₃ 7. Ba(NO₃)₂ 12. Cr₄(P₂O₇)₃ 17. Ca(ClO₄)₂ 22. KNO₃
3. H₂Cr₂O₇ 8. LiF 13. Cu₂(OH)₂CO₃ 18. MgCl₂ 23. MgCa(CO₃)₂
4. Na₄As₂O₇ 9. KAlO₂ 14. NH₄NO₃ 19. C₆H₁₂O₆ 24. C₁₂H₂₂O₁₁
5. [Cu(NH₃)₄]SO₄ 10_. Na₂[Be(OH)₄] 15. K₂[CuCl₄] 20. Fe₃[Fe(CN)₆]₂ 25. H₂[PtF₆]
2-MAVZU:
MODDA TARKIBIDAGI ELEMENTLARNING MASSA NISBATINI TOPISH


Quyidagi moddalar tarkibidagi elementlarning massa nisbatini toping:

1. CuSO₄ 6. Na₃PO₄ 11. Cr₂(SO₄)₃ 16. H₂O₂ 21. Be(OH)₂

2. NaHSO₃ 7. Ba(NO₃)₂ 12. Al₄(P₂O₇)₃ 17. Ba(ClO₃)₂ 22. Al(NO₃)₃
3. H₂S₂O₇ 8. KBr 13. Mg₂(OH)₂CO₃ 18. MgCl₂ 23. MgCO₃
4. Na₄P₂O₇ 9. LiCrO₂ 14. NH₄NO₃ 19. C₆H₁₂O₆ 24. CH₂O
5. [Zn(NH₃)₄]SO₄ 10_. K₂[Zn(OH)₄] 15. Na₂[CuCl₄] 20. Fe₄[Fe(CN)₆]₃ 25. H[AuF₄]
3-MAVZU:
MODDA TARKIBIDAGI ELKTRON, PROTON VA NEYTRON SONINI TOPISH


Quyidagi moddalar tarkibidagi elektron, proton va neytronlar sonini toping:

1. K₂S₂O₈ 6. AlJ₃ 11. Ca₂(OH)₂CO₃ 16. CaCl₂ 21. MgCO₃

2. H₄P₂O₇ 7. LiCrO₂ 12. NH₄NO₂ 17. C₆H₁₂O₆ 22. CH₂O
3. [Cu(NH₃)₄]SO₄ 8_. K₂[Zn(OH)₄] 13. K₂[ZnCl₄] 18. Fe₃[Fe(CN)₆]₂ 23. H[AuCl₄]
4. CuSO₄ 9. Na₃PO₄ 14. Cr₂(SO₄)₃ 19. H₂O₂ 24. Be(OH)₂
5. Ba(HSO₃)₂ 10. Fe(NO₃)₃ 15. Al₄(P₂O₇)₃ 20. Ba(ClO₃)₂ 25. Al(NO₂)₃


4-MAVZU:
ION TARKIBIDAGI ELKTRON, PROTON VA NEYTRON SONINI TOPISH


Quyidagi ionlar tarkibidagi elektron, proton va neytronlar sonini toping:

1. Cr 6. Al(OH)₂ 11. Ca(OH) 16. ClO₂ 21. HCO₃

2. S 7. CrO₂ 12. NH₄ 17. Cr(OH) 22. Al(OH)
3. J 8_. [Zn(OH)₄] 13. H₃O 18. [Fe(CN)₆] 23. [AuCl₄]
4. Al 9. HPO₄ 14. HP₂O₇ 19. H₄O 24. Be(OH)
5. N₃ 10. Fe(OH)₂ 15. P₂O₇ 20. ClO₃ 25. NO₂

5-MAVZU:
MURAKKAB MODDA TARKIBIDAGI ELEMENTLARNING
MASSA ULUSHINI(%) TOPISH

1.H₂O ushbu moddadagi kislorodning massa ulushini(%) toping.

A) 11,11 B) 88,89 C) 2,04D) 63,3
2. H₂S ushbu moddadagi vodorodning massa ulushini(%) toping.
A) 2,04 B) 11,11 C) 63,3D) 5,88
3. H₂SO₄ ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A)H=2,04 S=32,653 O=65,3
B)H=2,44 S=32,653 O=63,3
C) H=2,04 S=33,653 O=63,3
D) H=1,04 S=33,653 O=63,3
4. HNO₂ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A)H=2,128 N=29,78 O=68,09
B)H=2,128 N=28,78 O=69,09
C) H=1,128 N=30,78 O=68,09
D) H=2,128 N=27,78 O=69,09
5. H₃PO₄ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A) H=2,06 P=31,63 O=63,3
B)H=3,06 P=31,63 O=65,3
C) H=3,06 P=31,63 O=62,3
D) H=3,56 P=30,63 O=65,3
6. Al₂(SO₄)₃ ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A) Al=13,79 S=28,07 O=56,14
B) Al=15,79 S=27,07 O=57,14
C) Al=15,79 S=26,07 O=58,14
D) Al=15,79 S=28,07 O=56,14
7. Mg₃(PO₄)₂ ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A)Mg=27,48 P=23,66 O=48,86
B) Mg=39,7 P=20 O=40,3
C) Mg=36,7 P=22 O=41,3
D) Mg=33,7 P=25 O=41,3
8. C₃H₈ ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A) C=61,81 H=38,18B) C=71,81 H=28,18
C)C=81,81 H=18,18D) C=51,81 H=48,18
9. C₃H₈S ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A)C=47,4 H=10,5 S=42,1
B) C=49,4 H=10,5 S=40,1
C) C=45,4 H=12,5 S=42,1
D) C=47,4 H=12,5 S=40,1
10. C₄H₉O ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A) C=63,75 H=12,33 O=25,92
B) C=65,75 H=10,33 O=23,92
C) C=63,75 H=14,33 O=21,92
D)C=65,75 H=12,33 O=21,92
11. Cu₂(OH)₂CO₃ ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A)Cu=55,66 H=2,9 C=5,4 O=36,04B)Cu=57,66 H=0,9 C=5,4 O=36,04
C) Cu=55,66 H=1,9 C=6,4 O=36,04D)Cu=57,66 H=2,9 C=3,4 O=36,04
12. Cu₂S ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A) Cu=60 S=40 B) Cu=70 S=30
C)Cu=80 S=20 D) Cu=65 S=35
13. Mg(NO₃)₂ ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A)Mg=16,22 N=18,92 O=64,86
B) Mg=17,22 N=17,92 O=64,86
C) Mg=18,22 N=16,92 O=64,86
D) Mg=16,22 N=18,92 O=65,86
14. NH₄NO₃ ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A)N=30 H=10 O=60 B)N=30 H=5 O=65
C) N=35 H=5 O=60 D) N=35 H=10 O=55
15. NH₄NO₂ ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A) N=43,75 H=6,25 O=50B) N=35 H=5 O=60
C) N=53,75 H=6,25 O=40D) N=25 H=5 O=70
16. (NH₄)₂SO₄ ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A)H=4,06 N=23,21 S=24,24 O=48,48
B) H=6,06 N=21,21 S=24,24 O=48,48
C) H=4,06 N=21,21 S=26,24 O=48,48
D) H=3,06 N=21,21 S=27,24 O=48,48
17. Na₂HPO₃ ushbu modda tarkibidagi barcha elementlarning massa ulushini(%) toping.
A)Na=34,5 H=0,79 P=26,6 O=38,1
B) Na=36,5 H=2,79 P=22,6 O=38,1
C) Na=38,5 H=0,79 P=22,6 O=38,