Video: Qhov feem pua ntawm cov tshuaj aspirin hauv ntsiav tshuaj yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tus nqi ntawm tshuaj aspirin xam los ntawm cov txiaj ntsig tau los ntawm kev tsom xam titrimetric yog 317 mg. Cov koob tshuaj tau teev tseg ntsiav tshuaj yog 300 mg The feem pua purity ib tshuaj aspirin ntsiav tshuaj mus rau qhov nyiaj tshwj xeeb ntawm daim ntawv lo tom qab ntawd suav tau tias yog 96.47 % ntshiab.
Ib yam li ntawd, koj tuaj yeem nug, qhov feem pua ntawm cov ntsiav tshuaj aspirin yog acetylsalicylic acid?
Teb cov lus nug hauv qab no txog acetylsalicylicacid , cov khoom xyaw nquag hauv tshuaj aspirin . (a) Tus nqi ntawm acetylsalicylic acid hauv ib leeg tshuaj aspirin ntsiav tshuaj yog 325 mg, tab ntsiav tshuaj muaj qhov hnyav ntawm 2.00 g.
Ib yam nkaus, puas yog cov khoom tseem ceeb hauv cov tshuaj aspirin ntsiav tshuaj acetylsalicylic acid? Raws li cov Cov khoom xyaw nquag nyob rau hauv tshuaj aspirin , acetylsalicylic acid ua haujlwm los ntawm kev txwv ntau yam txheej txheem sib txawv hauv lub cev, suav nrog cov txheej txheem ntuj tsim rau lub cev ua rau mob thiab mob.
Ib yam li ntawd, pes tsawg tus tshuaj aspirin suav li cas?
Piv txwv: Pib nrog 0.027moles ntawm tshuaj aspirin (limiting reagent) mus rau 0.027moles ntawm salicylic acid. 3. Dividethe tus naj npawb ntawm cov khoom tau txais kev sim, los ntawm cov lej ntawm cov gram tau txais hauv qhov kev xav theoretical xam thiab sib npaug los ntawm 100 rau xam cov feem pua tawm los.
Dab tsi yog qhov feem pua dawb huv ntawm cov piv txwv cov tshuaj aspirin?
% kev dawb huv yog feem pua ntawm cov khoom uas yog qhov xav tau tiag tiag tshuaj nyob rau hauv a qauv ntawm nws A12.00 Nws qauv ntawm cov khoom siv tshuaj crystallized tau pom muaj 11.57g ntawm cov tshuaj nquag. Xam tus % kev huv ntawm qauv ntawm cov tshuaj.
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