Video: Dab tsi units tuaj yeem siv rau qhov concentration ntawm cov tshuaj?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Molarity (M) qhia txog pes tsawg moles ntawm kev daws teeb meem ib litre ntawm kev daws (moles/Liter) thiab yog ib qho ntawm cov koog feem ntau siv los ntsuas qhov sib xyaw ntawm cov tshuaj. Molarity tuaj yeem siv los xam qhov ntim ntawm cov kuab tshuaj lossis qhov hnyav ntawm qhov hnyav.
Ntxiv mus, qhov ntsuas qhov ntsuas twg yog siv rau kev daws teeb meem ntau?
Feem ntau feem ntau, a daws yog siab yog qhia nyob rau hauv cov nqe lus ntawm huab hwm coj feem pua, mole feem, molarity, molality, thiab normality. Thaum xam dilution yam, nws yog ib qho tseem ceeb uas cov chav nyob ntawm ntim thiab siab nyob zoo ib yam. Dilution Kev suav tuaj yeem ua tau siv cov qauv M1V1 = M2V2.
Ib yam nkaus, ob chav ntawm kev mloog zoo yog dab tsi? Quantitative units ntawm concentration suav nrog molarity , molality , feem pua ntawm pawg, ib feem ntawm ib txhiab, ntu ib lab , thiab ib feem ntawm billion.
Raws li, peb tuaj yeem ntsuas qhov ntsuas ntawm qhov kev daws teeb meem li cas?
Faib qhov loj ntawm lub solute los ntawm tag nrho cov ntim ntawm lub daws . Sau tawm qhov sib npaug C = m / V, qhov m yog qhov loj ntawm qhov solute thiab V yog tag nrho ntim ntawm daws . Txuas rau qhov tseem ceeb uas koj pom rau qhov loj thiab ntim, thiab faib lawv mus nrhiav qhov siab ntawm koj daws.
Kev daws teeb meem yog dab tsi?
Nco ntsoov Txhais. Hauv chemistry, siab hais txog tus nqi ntawm cov khoom nyob rau hauv ib qho chaw uas tau teev tseg. Lwm lub ntsiab lus yog qhov ntawd siab yog qhov piv ntawm solute hauv a daws rau qhov hnyav lossis tag nrho daws . Nco ntsoov feem ntau yog qhia nyob rau hauv cov nqe lus ntawm huab hwm coj ib chav tsev ntim.
Pom zoo:
Koj puas tuaj yeem siv tshuaj dawb los ntawm cov tshuaj lom cov ntoo ntoo?
Tsis yog, qhov kev nkag siab yuam kev ntau yog tias koj yuav tsum siv tshuaj dawb los ntawm cov tshuaj lom cov kab mob. Kev siv cov tshuaj dawb rau cov tshuaj lom cov ntoo tuaj yeem zoo li txhim kho sai kom tshem tawm cov roj ua rau pob, tab sis koj tuaj yeem ua kev puas tsuaj ntxiv rau koj lub cev. Thaum koj thov tshuaj dawb ncaj qha rau ntawm daim tawv nqaij, nws tshem tawm txheej txheej saum toj kawg nkaus uas ua rau khaus
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1 diav tshuaj dawb rau 1 nkas loos dej yuav muab rau koj 50-200 ppm tshuaj tua kab mob. Qhov no tuaj yeem siv los ntxuav cov tais diav, tais diav, txee npaj zaub mov thiab rooj noj mov. Qhov no yuav muab rau koj 500-800 ppm tshuaj tua kab mob
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Cov tshuaj yuav yog cov tshuaj uas xav kom kws kho mob sau tseg kom muab faib tawm. Hauv lub txee, cov tshuaj yog cov tshuaj zoo li Advil lossis Tylenol uas koj tsis xav tau kws kho mob sau tseg los yuav. Qhov sib txawv tseem ceeb ntawm ob yog tias koj yuav tsum muaj daim ntawv yuav tshuaj tshuaj yog tias nws yog tshuaj yuav tshuaj