Video: Muaj pes tsawg moles ntawm oxygen atoms nyob rau hauv ib mole ntawm Al2O3?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
(c) 1 molecule ntawm Al2O3 muaj 3 atoms ntawm oxygen . yog, 1 mole ntawm Al2O3 muaj.
Tsis tas li ntawd, pes tsawg moles ntawm atoms nyob rau hauv ib mole ntawm Al2O3?
SI lub hauv paus unit rau tus nqi ntawm cov khoom yog tus mole . 1 mole yog 1 moles Al2O3 , los yog 101.961276 g.
Ib sab saum toj no, pes tsawg moles ntawm oxygen atoms nyob rau hauv 1 mole ntawm cov tebchaw hauv qab no? Yog li " 1 mole ntawm oxygen molecules" txhais tau tias 6.022 x 1023 O 2 molecules, los yog 2 x 6.022 x 1023 Aw atoms ; " 1 mole ntawm oxygenatoms 6.022 x 1023 Oatom.
Hais txog qhov no, pes tsawg moles ntawm oxygen atoms nyob rau hauv ib mole ntawm co2?
Teb thiab piav qhia: A mole CO2 muaj 12.044 X 1023 oxygen atoms.
Muaj pes tsawg moles ntawm oxygen atoms nyob rau hauv ib mole ntawm h2so4?
Raws li peb paub, 1 mole ntawm H2Yog li4muaj 2 moles ntawm hydrogen atoms , 1 mole ntawm sulphur atom thiab 4 moles ntawm oxygenatoms.
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Muaj pes tsawg atoms nyob rau hauv 1 mole ntawm tooj liab?
Lub tswv yim 2. Kev sib raug zoo ntawm molecular (formula) mass thiab molar mass Page 4 4 • Kom tau ib mole ntawm tooj liab atoms (6.02 x 1023 atoms), hnyav 63.55 g tooj liab. Molar mass (M) ntawm ib yam khoom yog qhov loj ntawm ib qho mole ntawm cov chaw (atoms, molecules, lossis formula units) ntawm cov khoom
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Muaj pes tsawg atoms nyob rau hauv 2 moles ntawm co2?
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Muaj pes tsawg atoms ntawm C nyob rau hauv 1 mole ntawm co2?
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