Kimyo ustozlar1

#MASALA 50.6 mg Al, Cu va Zn dan iborat aralashmaga konsentrlangan nitrat kislota ta'sir ettirilganda 64.4 mg azot (IV) oksid hosil bo'ldi, xuddi shunday massadagi aralashma xlorid kislota ta'sir ettirilganda 15,68 cm³ gaz ajralsa, dastlabki aralashmadagi Alyuminiyning massasini (mg) aniqlang A) 16.2   B) 26   C) 19.2   D) 5.4 #YECHIM Cu+4HNO3=Cu(NO3)2+2NO2+H2O Zn+4HNO3=Zn(NO3)2+2NO2+H2O 92x+92y=64.4 x+y=0.7 x=0.7-y Zn+2Hcl=Zncl2+H2 Al+3Hcl=Alcl3+1.5H2 22.4y+33.6z=15.68 y+1.5z=0.7 1.5z=0.7-y z=0.467-0.667y 64x+65y+27z=50.6 64(0.7-y)+65y+27(0.467-0,667y)=50.6 y=0.4 1,5z=0.7-0.4 1,5z=0.3 z=0.2 Al = 27*0.2=5.4 Javob D) 5.4 Muhokama Guruh linki: @kimyoustozlar1 Kanal linki: @kimyo_va_masala https: @kimyoustozlarr1

KIMYO fanidan malaka sinovlari uchun foydalaniladigan adabiyotlar ròyhati Muhokama Guruh linki: @kimyoustozlar1 Kanal linki: @kimyo_va_masala https://t.me/kimyoustozlarr1

2-chorak monitoring test. Xatolari bòlsa tòģirlab olasiz. Muhokama Guruh linki: @kimyoustozlar1 Kanal linki: @kimyo_va_masala https://t.me/kimyoustozlarr1

Kimyo fanidan O'qituvchilar uchun metodik qo'llanma Attestatsiya 2022 yil kuzgi savol va masalalar tahlili Kanal: @kimyoustozlarr1 @kimyo_va_masala 👆👆👆ayrim murakkab masalalarning yechimlari 👇👇👇muhokama guruhi https://t.me/+IU7GznbbHtM3YTZi

Lapsha kletka orginali 60 ming 3 metiri Kanalda uzbekistonlik ayollarni kutaman SKITKALAR BOLADI KANALDA ASARTIMENTLAR BOR ANDIJONDA YAGONA OPTOM MATOLARI KANAL 👇👇👇👇👇👇 @AYOLLARMATOLARI fotima146

Lapsha kletka orginali 60 ming 3 metiri Kanalda uzbekistonlik ayollarni kutaman SKITKALAR BOLADI KANALDA ASARTIMENTLAR BOR ANDIJONDA YAGONA OPTOM MATOLARI KANAL 👇👇👇👇👇👇 @AYOLLARMATOLARI fotima146

Lapsha kletka orginali 60 ming 3 metiri Kanalda uzbekistonlik ayollarni kutaman SKITKALAR BOLADI KANALDA ASARTIMENTLAR BOR ANDIJONDA YAGONA OPTOM MATOLARI KANAL 👇👇👇👇👇👇 @AYOLLARMATOLARI fotima146

Assalomu aleykum Barcha ustozlarni * VATAN HIMOYACHILAR* kuni bilan tabriklayman. 🥳🥳🥳🥳🥳🥳 Bayramlariz muborak bòlsin 😊

3-chorak ish reja Muhokama Guruh linki: @kimyoustozlar1 Kanal linki: @kimyo_va_masala https://t.me/kimyoustozlarr1