Video: Muaj pes tsawg atoms nyob rau hauv 2 moles ntawm co2?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Tus naj npawb ntawm cov chaw hauv mole yog muab los ntawm Avogadro tas li, NA, uas yog kwv yees li 6.022 × 1023 qhov chaw ib mol. Rau CO2 qhov chaw yog ib qho molecule ua los ntawm 3 atom ua . Yog li hauv 2 moles peb muaj nyob ib puag ncig, 2mol × 6.022 × 1023 molecules mol-1, uas yog 1.2044 × 1024 molecules.
Tib neeg kuj nug, pes tsawg atoms nyob rau hauv 2 moles ntawm carbon dioxide?
Teb thiab piav qhia: A mole ntawm CO 2 muaj 12.044 X 1023 oxygen atoms.
Ib yam li ntawd, pes tsawg atoms nyob hauv 3 moles ntawm co2? Yog li ntawd, 3 moles ntawm CO2 muaj ( 3 x 2 x 6.02 x 10*23) O atoms Luas = 3,61 x 10 x 24 O atoms.
Ua raws li qhov xav tau, pes tsawg atoms nyob hauv 2 molecules ntawm co2?
Piv txwv li, a carbon dioxide molecule muaj ob lub pa oxygen atoms thiab ib tug carbon atom (tag nrho peb atoms hauv ib carbon dioxide molecule ). Yog li yog tias koj muaj ob molecules ntawm carbon dioxide ,koj muaj 6 atoms nyob rau hauv tag nrho: plaub oxygen atoms thiab ob carbon atoms.
Muaj pes tsawg atoms nyob rau hauv 2 moles ntawm helium?
Nrhiav helium ntawm lub rooj zaum hauv lub kaum sab xis saum toj. Yog tias kuv sau lub zais pa nrog 2 moles ntawm helium atoms, pes tsawg helium atoms yuav nyob hauv lub zais pa? Yog 1 mole ntawm atoms 6.02 x 1023 atoms ua , ces 2 moles ntawm atoms yuav muab sib npaug rau 1.2 x 1024 atoms ua.
Pom zoo:
Muaj pes tsawg molecules nyob rau hauv 9 moles ntawm h2s?
9 moles ntawm H2S = 9 (6.022 * 10²³ molecules) = 5.4198 * 1024 molecules. Teb: muaj 5.4198 * 1024 molecules hauv 9.00 moles ntawm H2S
Muaj pes tsawg moles ntawm oxygen atoms nyob rau hauv ib mole ntawm Al2O3?
(c) 1 molecule ntawm Al2O3 muaj 3 atoms ntawm oxygen. Yog li, 1 mole ntawm Al2O3 muaj
Muaj pes tsawg moles ntawm nitrogen nyob rau hauv 1.2 grams ntawm aspartame?
Cov mis mos molecular rau aspartame yog C14H18N2O5, thiab nws cov molar loj yog li 294 g / mol. 1.2 g / 294 g / mol = 4.08 X 10-3 moles aspartame. Txij li txhua mole ntawm aspartame muaj 2 moles ntawm nitrogen, koj muaj 8.16 X 10-3 moles ntawm N hauv koj 1.2 grams ntawm aspartame
Muaj pes tsawg grams ntawm o2 nyob rau hauv 1.2 moles ntawm o2?
Koj tuaj yeem saib cov ntsiab lus ntxiv ntawm txhua chav ntsuas: molecular hnyav ntawm O2 lossis grams Lub hauv paus SI rau tus nqi ntawm cov khoom yog mole. 1 mole yog sib npaug rau 1 moles O2, los yog 31.9988grams. Nco ntsoov tias kev sib hloov yuam kev tuaj yeem tshwm sim, yog li nco ntsoov xyuas qhov ntawd
Muaj pes tsawg atoms ntawm C nyob rau hauv 1 mole ntawm co2?
Avogadro tus lej qhia peb tias muaj 6.022 x 10^23 molecules ntawm CO2 hauv 1 mole ntawm cov pa. Yog li, muaj 6.022 x 10 ^ 23 atoms ntawm carbon thiab 12.044 x 10 ^ 23 atoms ntawm oxygen hauv 1 mole ntawm CO2