![Qhov feem pua ntawm cov pa oxygen hauv huab cua qhuav yog dab tsi? Qhov feem pua ntawm cov pa oxygen hauv huab cua qhuav yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14045922-what-is-the-percentage-of-oxygen-in-dry-air-j.webp)
Video: Qhov feem pua ntawm cov pa oxygen hauv huab cua qhuav yog dab tsi?
![Video: Qhov feem pua ntawm cov pa oxygen hauv huab cua qhuav yog dab tsi? Video: Qhov feem pua ntawm cov pa oxygen hauv huab cua qhuav yog dab tsi?](https://i.ytimg.com/vi/4Ew9EQG7gxY/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
20.95% oxygen
Los ntawm qhov ntawd, feem pua ntawm cov pa oxygen hauv huab cua qhuav yog dab tsi?
Cua yog kev sib xyaw ntawm ntau cov roj cua, qhov uas ob qho tseem ceeb tshaj plaws nyob hauv cua qhuav yog 21 vol% cov pa thiab 78 vol% nitrogen.
Koj ua li cas xam cov feem pua ntawm cov pa oxygen? Rau cov pa:
- pawg % O = (pawg ntawm 1 mol ntawm cov pa/huab hwm coj ntawm 1 mol ntawm CO2) x 100.
- pawg % O = (32.00 g / 44.01 g) x 100.
- pawg % O = 72.71 %
Tib neeg kuj nug tias, huab cua qhuav yog dab tsi?
Cua : Los ntawm ntim, cua qhuav yog muaj li ntawm nitrogen (78.09 feem pua), oxygen (20.95 feem pua), argon (0.93 feem pua), carbon dioxide (0.03 feem pua), thiab ob peb kab gases.
Muaj oxygen ntau npaum li cas hauv tib neeg lub cev?
Cov pa : 65 Feem pua Cov Pa ua 65 feem pua ntawm tib neeg lub cev los ntawm qhov hnyav. Tab sis qhov ntawd tsis tau txhais hais tias koj tsuas yog puv huab cua xwb. Feem ntau ntawm cov pa oxygen hauv koj lub cev yog khi rau hydrogen hauv daim ntawv dej.
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