Misol: 10 g suvda 2,24 g ammiak eritilgan. Bu eritmadagi ammiakning massa ulushi nimaga tenga 15 b 18 c 20 d 22 yechim
KJ ning 20oC dagi eruvchanligi 140 ga teng shu temperaturada 30 gr suvda qanday massa tuz erishi mumkin. A)42 B)60 C)150 D)40 13
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Eritma masala
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12. KJ ning 20oC dagi eruvchanligi 140 ga teng shu temperaturada 30 gr suvda qanday massa tuz erishi mumkin.
A)42 B)60 C)150 D)40 13. AgNO3 ning 0oC dagi eruvchanligi 115 ga teng bo’lsa,ayni temperaturada 240 gr suvda qanday massa tuz eriydi. A)280 B)276 C)48 D)50 14. CuSO4 ning 20oC dagi eruvchanligi 20 ga teng shu temperaturada tayyorlangan 600 gr eritma tarkibidagi tuz massasini aniqlang. A)500 B)100 C)120 D)80 15. NH4Cl ning 24oC dagi 80 gr to’yingan eritmasi tarkibida 32 gr tuz bor.Uning shu temperaturadagi eruvchanligini toping. A)66,67 B)40 C)25,6 D)70 16. NaNO3 ning 30oC dagi 260 gr to’yingan eritmasi tarkibida 123 gr tuz bor.Uning shu temperaturadagi eruvchanligini toping. A)90 B)80 C)47,3 D)50 17. K2SO4 ning 40oC dagi eruvchanligi 15 ga teng.Uning shu temperaturada tayyorlangan eritmasining konsentratsiyasini % toping. A)17 B)13 C)17,65 D)20 18. HgCl2 ning 70oC da tayyorlangan eritmasida tuzning massa ulushi 16,67% ga teng.Uning shu temperaturadagi eruvchanlik koefitsentini aniqlang. A)20 B)35 C)10 D)21, 19. NaCl ning 30oC da tayyorlangan eritmasida tuzning massa ulushi 26,47% ni tashkil etadi.Uning shu temperaturadagi eruvchanlik koefitsentini toping. A)36 B)40 C)35 D)45 20. NaNO3 80oC dagi eruvchanligi 145 ga teng.shu temperaturada tayyorlangan eritmasining % konsentratsiyasini aniqlang. A)62,5 B)60 C)59,2 D)58,6 21. Kaliy nitratning 60 ºC dagi eruvchanligi 80 ga teng. Shu temperaturada 175 gr suvda qanday massa kaliy nitrat erishi mumkin. A)140 B)150 C)200 D)10 22. Kalsiy nitratning 10oC dagi eruvchanlik koeffitsienti 114,6 g bo‘lsa, shu haroratda to‘yingan eritmadagi Ca(NO3)2 ning massa ulushini toping. A)0,580 B) 0,534 C)0,6 D)0,466 23. Kaliy atsetatning 10oC dagi eruvchanlik koeffitsienti 233,9 g bo‘lsa, shu eritmadagi CH3COOK ning massa ulushini toping. A) 0,7 B)0,3 C)0,8 D)0,2 24. Cd(NO3)2·4H2O ning 0oC dagi eruvchanlik koeffitsienti 135,3 g bo‘lsa, uning shu haroratda to‘yingan eritmasidagi Cd(NO3)2 ning massa ulushini toping. A)54,6 B)55,94 C) 44,06 D)45,4 25. Magniy nitrat kristallgidratining – Mg(NO3)2·6H2O 20oC dagi eruvchanlik koeffitsienti 73,3 g bo‘lsa, uning shu haroratda to‘yingan eritmasidagi Mg(NO3)2 ning massa ulushini toping. A) 24,5 B)25,4 C)75,5 D)25,5 26. Mis(II)-sulafatning 20 ºC dagi eruvchanligi 20 ga teng. Shu temperaturada tayyorlangan 600 gr eritma tarkibidagi tuz massasini aniqlang. A)90 B)100 C)120 D)15 27. Natriy atsetatning 0oC da to‘yingan eritmasida 26,63 % CH3COONa bo’lsa, shu tuzning 0oC dagi eruvchanlik koeffitsienti topilsin. A)33,3 B)36,3 C)37,3 D)46,3 28. Natriy nitratning 20oC da to‘yingan eritmasidagi tuzning massa ulushi 0,467 bo‘lsa, shu tuzning 20oC dagi eruvchanlik koeffitsientini aniqlang. A)88 B)53,33 C)87,6 D)80 29. Natriy sulfatning 10oC da to‘yingan eritmasida tuzning massa ulushi 0,0876 bo‘lsa, uning shu haroratdagi eruvchanlik koeffitsienti qanday bo‘ladi? A)10 B)10,8 C)6,9 D) 9,6 30. Natriy sulfidning 20oC da to‘yingan eritmasida tuzning massa ulushi 15,68 %. Na2S ning shu haroratdagi eruvchanlik koeffitsientini toping. A) 18,6 B)20 C)16,8 D)21,6 Download 76.45 Kb. Do'stlaringiz bilan baham: 
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