Cov txheej txheem:
Video: Yuav ua li cas ua ib qho acid titration?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Titration txheej txheem
- Yaug lub burette nrog cov txheej txheem daws teeb meem, lub pipette nrog cov tshuaj tsis paub, thiab lub khob ntim dej nrog dej distilled.
- Muab qhov ntsuas ntsuas qhov ntsuas qhov tseeb rau hauv lub khob Erlenmeyer siv lub pipette, nrog rau ob peb tee ntawm qhov taw qhia.
Ntawm no, dab tsi yog acid titration nrog piv txwv?
Rau piv txwv , hydrochloric kua qaub thiab sodium hydroxide daim ntawv sodium chloride thiab dej: HCl (aq) + NaOH (aq) → H2O (l) + NaCl (aq) Neutralization yog lub hauv paus ntawm titration . Qhov taw qhia pH qhia qhov sib npaug ntawm qhov sib npaug - qhov taw tes ntawm qhov sib npaug ntawm cov moles ntawm a puag tau ntxiv rau ib qho kua qaub.
Ib yam li ntawd, lub ntsiab lus ntawm acid puag titration yog dab tsi? Ib kua qaub – pib titration yog ib txoj hauv kev ntawm kev txheeb xyuas qhov ntau los txiav txim siab qhov concentration ntawm ib qho kua qaub los yog puag los ntawm raws nraim neutralizing nws nrog tus txheej txheem daws ntawm puag los yog kua qaub muaj kev paub concentration.
Ntxiv rau qhov no, lub hom phiaj ntawm acid puag titration yog dab tsi?
Taw qhia. Cov lub hom phiaj ntawm ib lub zog kua qaub - muaj zog pib titration yog txiav txim siab qhov concentration ntawm acidic tov los ntawm titrating nws nrog ib qho kev daws teeb meem ntawm kev paub concentration, los yog vice-versa, kom txog rau thaum neutralization tshwm sim.
Dab tsi yog qhov kawg point hauv titration?
Xaus Point . kawg point : cov taw tes thaum a titration thaum qhov taw qhia qhia tau hais tias tus nqi ntawm cov reactant tsim nyog rau kev ua tiav cov tshuaj tiv thaiv tau ntxiv rau kev daws.
Pom zoo:
Dab tsi yog titration thiab hom titration?
Hom Titrations • Acid-basetitrations, nyob rau hauv uas ib tug acidic los yog yooj yim titrant reacts nrog analyte uas yog ib tug puag los yog ib tug acid. Precipitationtitrations, nyob rau hauv uas lub analyte thiab titrant react los tsim aprecipitate. • Redox titrations, qhov twg titrant yog oxidizing lossis txo tus neeg sawv cev
Yuav ua li cas koj ua kmno4 tov rau titration?
Ntxiv 250 mL dej purified (freshly boiled thiab txias) thiab 10 mL sulfuric acid (96% H2SO4, sp g 1.84). Ntxiv sai sai los ntawm ib tug buret txog 95% ntawm theoretical kom muaj nuj nqis ntawm poov tshuaj permanganate daws xav tau; do kom txog thaum lub tov meej
Yuav ua li cas koj thiaj paub tias kev hloov pauv yog ib qho rau ib qho?
Thaum ib tug linear transformation yog piav nyob rau hauv lub sij hawm ntawm ib tug matrix nws yog ib qho yooj yim los txiav txim seb lub linear transformation yog ib-rau-ib los yog tsis los ntawm kev tshuaj xyuas cov linear dependence ntawm txhua kab ntawm lub matrix. Yog hais tias cov kab yog linearly ywj siab, linear transformation yog ib-rau-ib
Vim li cas sulfuric acid siv hauv redox titration?
Sulfuric Acid (H2SO4) yog siv rau hauv cov txheej txheem redox titration vim nws muab H(+) ions tsim nyog rau cov tshuaj tiv thaiv kom tshwm sim sai dua thaum cov sulphate (-) ions NW nyuam qhuav tshwm sim thaum cov tshuaj tiv thaiv. Yog li ntawd, sulfuric acid yog ntxiv los ua kom cov kua qaub acidic
Yuav ua li cas ua hydrochloric acid los ntawm sulfuric acid?
Ua ntej, koj yuav ncuav ib co ntsev rau hauv lub lauj kaub distil. Tom qab ntawd, koj yuav ntxiv ib co concentrated sulfuric acid rau ntsev. Tom ntej no, koj yuav cia cov no cuam tshuam nrog ib leeg. Koj yuav pib pom gasses npuas thiab cov roj hydrogen chloride tshaj tawm los ntawm lub raj sab saum toj