Muaj pes tsawg moles nyob hauv ethane?
Muaj pes tsawg moles nyob hauv ethane?

Video: Muaj pes tsawg moles nyob hauv ethane?

Video: Muaj pes tsawg moles nyob hauv ethane?
Video: Muaj Kub Yaj Vol 5 Yuav Kev Nyob Hauv Koj Siab wmv YouTube 2024, Kaum ib hlis
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Peb xav tias koj hloov ntawm grams Ethane thiab mole . Koj tuaj yeem saib cov ntsiab lus ntxiv ntawm txhua chav ntsuas: molecular hnyav ntawm Ethane los yog mol Cov mis mos molecular rau Ethane yog c2h6. SI base unit rau tus nqi ntawm cov khoom yog tus mole . 1g ua Ethane lawv yuav muab 0.03325679835472 mole.

Tom qab ntawd, ib tug kuj yuav nug, muaj pes tsawg moles nyob rau hauv c2h6?

Peb xav tias koj hloov ntawm grams C2H6 thiab mole . Koj tuaj yeem saib cov ntsiab lus ntxiv ntawm txhua chav ntsuas: molecular hnyav ntawm C2H6 los yog mol Cov tshuaj no tseem hu ua Ethane. SI base unit rau tus nqi ntawm cov khoom yog tus mole . 1g ua C2H6 lawv yuav muab 0.03325679835472 mole.

Qhov thib ob, koj yuav ua li cas xam tus naj npawb ntawm moles tam sim no hauv 9g ntawm ethane? Rau nrhiav cov moles ntawm ethane hauv 9g ua , peb yuav tsum muab 1 los ntawm (9/30), muab tus nqi ntawm 0.3 mol.

Nyob rau hauv kev hwm rau qhov no, dab tsi yog lub mis ntawm mole?

Avogadro tus lej yog qhov tseem ceeb heev uas yuav tsum nco ntsoov: 1 mole 6.022 × 1023 6.022 × 10 23 atoms, molecules, protons, thiab lwm yam. moles rau atoms, muab cov molar pes tsawg los ntawm Avogadro tus lej. Hloov los ntawm atom rau moles , faib tus nqi atom los ntawm Avogadro tus naj npawb (los yog muab faib los ntawm nws cov reciprocal).

Muaj pes tsawg moles nyob hauv ib lub caij?

Cov mole , luv luv mol, yog ib chav SI uas ntsuas tus naj npawb ntawm cov khoom hauv ib yam khoom tshwj xeeb. Ib mole yog sib npaug rau 6.02214179 × 1023 atoms, los yog lwm yam elementary units xws li molecules.

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