Video: Qhov twg tuaj yeem siv los qhia txog qhov concentration ntawm cov tshuaj?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Molarity (M) qhia tus naj npawb ntawm moles ntawm cov kuab ib liter ntawm daws (moles / Liter) thiab yog ib qho ntawm feem ntau units siv ntsuas qhov concentration ntawm kev daws . Molarity siv tau xam qhov ntim ntawm cov kuab tshuaj los yog tus nqi ntawm cov kuab tshuaj.
Nyob rau hauv kev hwm rau qhov no, qhov twg yog qhov zoo tshaj plaws los qhia txog qhov concentration ntawm cov tshuaj?
Nws tuaj yeem hais tau ntau yam txoj kev : molarity (moles ntawm solute ib liter ntawm daws ); mole feem, qhov piv ntawm tus naj npawb ntawm moles ntawm solute rau tag nrho cov moles ntawm cov khoom tam sim no; mass feem pua, qhov ratio ntawm qhov loj ntawm lub solute mus rau qhov loj ntawm lub daws x 100; ib txhiab (ppt), grams
Dab tsi yog peb txoj hauv kev kom muaj nuj nqis ntawm kev qhia txog kev daws teeb meem? Muaj nuj nqis units ntawm concentration suav nrog molarity, molality, huab hwm coj feem pua, qhov chaw ib txhiab, qhov chaw ib lab, thiab ib feem ntawm billion.
Kuj nug, cov nqe lus twg tuaj yeem siv los nthuav qhia qhov concentration ntawm kev daws teeb meem?
Molarity (M) Yog tias qhov hnyav lossis ntim ntawm cov kuab tshuaj tau teev tseg, qhov no txhais tau tias koj xav tau cov kuab tshuaj ua ntej cov kuab tshuaj ntxiv. Molarity feem ntau yog feem ntau siv txoj kev ntsuas concentration thiab txhais tau tias yog tus naj npawb ntawm moles ntawm solute ib liters ntawm daws.
Qhov concentration ntawm kev daws yog dab tsi?
Cov concentration ntawm ib yam khoom yog qhov kom muaj nuj nqis ntawm solute tam sim no nyob rau hauv ib tug muab kom muaj nuj nqis daws . Kev xav feem ntau yog qhia nyob rau hauv cov nqe lus ntawm molarity, txhais raws li tus naj npawb ntawm moles ntawm solute nyob rau hauv 1 L ntawm daws.
Pom zoo:
Yam tshuaj twg tsis tuaj yeem decomposed los ntawm cov tshuaj txhais tau tias?
Cov ntsiab lus yog cov khoom ntshiab uas tsis tuaj yeem decomposed los ntawm cov tshuaj zoo tib yam xws li cua sov, electrolysis, los yog cov tshuaj tiv thaiv. Kub, nyiaj, thiab oxygen yog piv txwv ntawm cov khoom. Compounds yog cov khoom ntshiab tsim los ntawm kev sib xyaw ua ke ntawm cov ntsiab lus; lawv tuaj yeem decomposed byordinary tshuaj txhais tau tias
Cov nqe lus twg zoo tshaj plaws piav qhia txog qhov tseem ceeb ntawm cov lus qhia muaj nuj nqis?
Qhov tsis suav nrog tus nqi ntawm ib qho kev qhia rational yog qhov tseem ceeb uas tus denominator ntawm qhov kev qhia yog xoom. Tsis tas li ntawd, tus naj npawb ntawm zeros ntawm ib tug polynomial yeej ib txwm tsawg dua los yog sib npaug rau degree ntawm lub polynomial. Yog li ntawd, tus naj npawb ntawm cov txiaj ntsig tsis suav nrog cov lus qhia muaj txiaj ntsig tsis tuaj yeem tshaj li qib ntawm tus lej
Yuav siv cov tshuaj neutralization li cas los nrhiav cov concentration ntawm cov kua qaub?
Ib qho titration yog ib qho kev sim uas siv cov tshuaj tiv thaiv acid-base neutralization los txiav txim qhov tsis paub txog cov kua qaub lossis lub hauv paus. Qhov sib npaug taw tes yog mus txog thaum tus naj npawb ntawm hydrogen ions sib npaug rau tus naj npawb ntawm hydroxide ions
Txoj cai thermodynamic twg hais tias koj Tsis tuaj yeem hloov 100 feem pua ntawm cov cua sov rau hauv cov khoom siv hluav taws xob ntawm cov lus teb xaiv?
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Ob lub tebchaw puas tuaj yeem siv los ua cov tshuaj reactants rau cov tshuaj tiv thaiv synthesis?
7. Ob lub ntsiab lus puas tuaj yeem siv los ua cov reactants rau cov tshuaj tiv thaiv synthesis? Yog tias muaj, muab tsawg kawg ib qho piv txwv los ntawm Qauv 1 los txhawb koj cov lus teb. Ob lub ntsiab lus thiab cov tebchaw tuaj yeem pom hauv cov khoom ntawm cov tshuaj tiv thaiv decomposition