Koj tsis tuaj yeem ncaj qha hloov grams rau atoms Ua ntej koj yuav tsum npog koj cov grams rau moles, ces koj tuaj yeem nqa cov moles thiab zais rau atoms. Yog tias koj noj koj li 878 grams ntawm fluorine thiab saib ntawm atomic mass. … Kom tau txais atoms los ntawm moles, muab cov moles los ntawm 6.022 x 10^23.
1 gram atom txhais li cas?
Hint: Ib gram atom txhais tau tias qhov loj ntawm ib mole ntawm ib lub caij sib npaug hauv grams rau qhov hnyav atomic. Ib gram atom ntawm oxygen txhais tau tias yog cov atoms tam sim no nyob rau hauv ib gram ntawm oxygen atom.
Dab tsi yog ib gram atom ntawm ib lub caij?
Ib gram atom yog lub garm atomic hnyav ntawm ib lub caij. Qhov loj ntawm ib lub ntsiab lus uas yog zauv sib npaug rau qhov hnyav atomic hauv grams yog hu ua garm atom. 1 gram atom aof carbon=atomic hnyav ntawm carbon=12 g.
1g atomic mass yog dab tsi?
Nkag mus rau koj cov lus tshawb fawb: gram-atomic hnyav, tus nqi ntawm cov tshuaj atomic uas nws qhov hnyav, hauv grams, yog tus lej sib npaug rau qhov hnyav atomic ntawm cov khoom ntawd Piv txwv li, 1 gram-atomic hnyav ntawm atomic oxygen, O (atomic hnyav kwv yees li 16), yog 16 grams. Saib gram-molecular hnyav.
Koj suav pes tsawg grams rau atoms li cas?
Yuav suav cov lej ntawm cov atoms hauv ib qho qauv, faib nws qhov hnyav hauv grams los ntawm amu atomic mass los ntawm lub sijhawm teem, ces muab cov txiaj ntsig los ntawm Avogadro tus lej: 6.02 x 10^23.
