molyal konsentratsiya topish

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amaliy mashgโ€™ulot d.t.toshpulatov ๏ฝ molyal konsentratsiya bu 1000 g (1 kg) erituvchida erigan moddaning mollar sonini ifodalaydi. ๏ฝ๐ถ๐ถ๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š= ๐‘›๐‘› (๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’) ๐‘š๐‘š (๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’) = ๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š ๐‘˜๐‘˜๐‘˜๐‘˜ ๏ฝ 20% li naoh eritmasining molyal konsentratsiyasini toping. _______________________________________ ๏ฝ 28% li koh eritmasining molyal konsentratsiyasini toping. ๏ฝ tarkibida 40 g naoh saqlagan ishqor eritmasiga 240 g suv qoโ€™shilganda ishqor molyalligi 2,5 marta kamaygan boโ€™lsa, hosil boโ€™lgan eritmadagi ishqorning molyar konsentratsiyasini toping. _______________________________________ ๏ƒ˜ tarkibida 40 g naoh saqlagan ishqor eritmasiga 240 g suv qoโ€™shilganda ishqor molyalligi 2,5 marta kamaygan boโ€™lsa, dastlabki eritmadagi ishqorning molyar konsentratsiyasini toping. ๏ฝ tarkibida 800 ml suv bo'lgan 6,25 molyalli naoh eritmasiga necha g quruq naoh qo'shilganda 36% li naoh eritmasi hosil bo'ladi? hosil bo'lgan eritmadagi naoh miqdorini aniqlang. _______________________________________ ๏ฝ tarkibida 800 ml suv saqlagan 6,25 molyalli oโ€™yuvchi natriy eritmasiga quruq holdagi naoh muayyan massada qoโ€™shilganda ishqorning massa ulushi 1,8 marta oshgan boโ€™lsa, hosil boโ€™lgan eritmaning molyalligini aniqlan. ๏ฝ โ€ฆ
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omaโ€™lum me ni aniqlang. ๏ฝ #cs ๏ฝ ikki valentli metal boโ€™lagi xona haroratida xlorid kislotaning 54,6 g 10 molyalli eritmasida eritilganda h2 gazi ajraldi va metal xloridining 32,2% li eritmasi hosil boโ€™ldi. hosil boโ€™lgan metall xlorid molyalligini aniqlang. _______________________________________ ๏ฝ ikki valentli metal boโ€™lagi xona haroratida xlorid kislotaning 54,6 g 10 molyalli eritmasida eritilganda h2 gazi ajraldi va metal xloridining 32,2% li eritmasi hosil boโ€™ldi. metallni aniqlang. ๏ฝ metall sulfati kristallogidrati va na2sโ€ข4h2o ning quruq aralashmasi (w(h2o)=43,9%) 214 ml suvda eritilganda 17,6 gr metal sulfidi choโ€™kib, hosil boโ€™lgan 278,4 gr eritmadagi yagona elektrolit na2so4 ning molyalligi 0,8 mol/kg teng boโ€™ldi. dastlabki kristallogidratlar aralashmasining umumiy massasini aniqlang. ๏ฝ bariy xlorid eritmasiga tegishli miqdorda na2so4โ€ข10h2o kristallogidratidan qoโ€™shilganda 233 g choโ€™kma tushdi va 2,5 molyalli eritma hosil boโ€™ldi. dastlabki bariy xlorid eritmasining massasini (g) aniqlang. ๏ฝ #828 ______________________________________________ ๏ฝ natriy karbonat eritmasiga tegishli miqdorda cacl2โ€ข6h2o kristallogidratidan qoโ€™shilganda 100 g choโ€™kma tushdi va 2 โ€ฆ
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ฯ = 1,28 g/ml deb hisoblansin) ๏ฝ #koh __________________________________________ ๏ฝ tarkibida nomaโ€™lum modda saqlagan 298 g eritmaning molyarligi va molyalligi 5 ga teng boโ€™lsa, nomaโ€™lum moddani aniqlang. (ฯ = 1,49 g/ml deb hisoblansin) ๏ฝ #h2so4 eโ€™tiboringiz uchun rahmat amaliy mashgโ€™ulot molyal konsentratsiya ัะปะฐะนะด ะฝะพะผะตั€ 3 1-masala 2-masala 3-masala 4-masala 5-masala 6-masala 7-masala 8-masala 9-masala 10-masala 11-masala 12-masala 13-masala 14-masala 15-masala ัะปะฐะนะด ะฝะพะผะตั€ 19
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amaliy mashgโ€™ulot d.t.toshpulatov ๏ฝ molyal konsentratsiya bu 1000 g (1 kg) erituvchida erigan moddaning mollar sonini ifodalaydi. ๏ฝ๐ถ๐ถ๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š= ๐‘›๐‘› (๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’) ๐‘š๐‘š (๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’๐‘’) = ๐‘š๐‘š๐‘š๐‘š๐‘š๐‘š ๐‘˜๐‘˜๐‘˜๐‘˜ ๏ฝ 20% li naoh eritmasining molyal konsentratsiyasini toping. _______________________________________ ๏ฝ 28% li koh eritmasining molyal konsentratsiyasini toping. ๏ฝ tarkibida 40 g naoh saqlagan ishqor eritmasiga 240 g suv qoโ€™shilganda ishqor molyalligi 2,5 marta kamaygan boโ€™lsa, hosil boโ€™lgan eritmadagi ishqorning molyar konsentratsiyasini toping. _______________________________________ ๏ƒ˜ tarkibida 40 g naoh saqlagan ishqor eritmasiga 240 g suv qoโ€™shilganda ishqor molyalligi 2,5 marta kamaygan boโ€™lsa, dastlabki eritmadagi ishqorning molyar konsentratsiyasini toping. ๏ฝ tarkibida 800 ml suv bo'...

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