Lub mole yog tus nqi ntawm cov khoom ntawm ib lub cev uas muaj ntau qhov chaw hauv paus raws li muaj cov atoms hauv0.012 kilogram carbon 12; nws lub cim yog "mol". … Nco ntsoov tias lub ntsiab txhais ntawm mole yog ib yam khoom muaj nqis. Peb feem ntau yuav xa mus rau cov moles ntawm cov khoom raws li tus nqi ntawm cov khoom.
mole chemistry yooj yim txhais yog dab tsi?
mole, kuj spelled mol, hauv chemistry, ib tug qauv scientific unit rau ntsuas qhov ntau ntawm cov me me xws li atoms, molecules, los yog lwm yam particles… Lub mole yog yav tas los txhais raws li tus naj npawb ntawm atoms txiav txim siab sim kom pom nyob rau hauv 12 grams ntawm carbon-12.
1 mole yog dab tsi?
Ib mole ntawm ib yam khoom sib npaug rau 6.022 × 10²³ units ntawm cov khoom ntawd (xws li atoms, molecules, lossis ions). Tus naj npawb 6.022 × 10²³ hu ua Avogadro tus lej lossis Avogadro qhov tas li. Lub tswv yim ntawm mole tuaj yeem siv los hloov pauv ntawm huab hwm coj thiab tus lej ntawm cov khoom. Tsim los ntawm Sal Khan.
mole hauv chemistry yog dab tsi nrog piv txwv?
A mole sib raug rau qhov loj ntawm ib yam khoom uas muaj 6.023 x 10 23 cov khoom Lub mole yog chav SI rau tus nqi ntawm ib yam khoom. Nws lub cim yog mol. Los ntawm kev txhais: 1 mol ntawm carbon-12 muaj ib tug loj ntawm 12 grams thiab muaj 6.022140857 x 10 23ntawm carbon atoms (rau 10 tus lej tseem ceeb). Piv txwv.
mole hu ua dab tsi hauv chemistry?
Lub mole yog ib chav tsev siv nyob rau hauv chemistry uas yog sib npaug rau Avogadro tus lej. Nws yog tus naj npawb ntawm carbon atoms hauv 12 grams ntawm cov isotope carbon-12. Lo lus mole los ntawm lo lus molecule. Tsis muaj kev cuam tshuam rau tus tsiaj hu ua mole.
