Video: Muaj pes tsawg moles nyob rau hauv 5g ntawm h2so4?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
SI base unit rau tus nqi ntawm cov khoom yog mole. 1 grams H2SO4 yog sib npaug rau opaque=0.010195916576195 tsi.
Tib neeg kuj nug, pes tsawg moles nyob hauv h2so4?
1 moles
Tsis tas li ntawd, koj yuav nrhiav tau cov moles ntawm sulfuric acid li cas? Koj tuaj yeem saib cov ntsiab lus ntxiv ntawm txhua chav ntsuas: molecular hnyav ntawm Sulfuric Acid los yog grams Cov mis mos molecular rau Sulfuric Acid yog H2SO4 . SI base unit rau tus nqi ntawm cov khoom yog mole. 1 mole yog sib npaug rau 1 Moles sulfuric acid 98,07848g,ua.
Tom qab ntawd, pes tsawg grams ntawm sulfur nyob rau hauv 5 moles ntawm h2so4?
Los xam qhov loj ntawm 5 moles ntawm sulfuric acid peb coj 5 (tus naj npawb ntawm moles ) thiab muab nws los ntawm cov molar uas tau teev tseg, 98 gmol^-. Mas = ( 5 mol ua ) (98 gmol^-) = 490 grams.
Muaj pes tsawg moles ntawm sulfuric acid nyob rau hauv 25 grams?
Tag nrho yog 98.08 grams, yog li ib mole ntawm H2SO4 muaj qhov loj ntawm qhov ntau. 0.25 moles ntawm H2SO4 yog li ntawd yuav muaj ib tug loj ntawm ib quarter ntawm 98.08 yog 24,52 g.
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 molecules nyob rau hauv 5.2 moles ntawm h2o?
Ib mole ntawm dej muaj 6.022 x 1023 dej molecules
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