Cov txheej txheem:
Video: Yuav ua li cas ua cacl2?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Yuav Ua Li Cas Calcium Chloride
- Muab cov limestone tso rau hauv lub beaker.
- Ntxiv 1/4 ntawm ib lub khob ntawm hydrochloric acid rau thelimestone.
- Lub hydrochloric acid yuav pib npuas thaum nws dissolves thelimestone.
- Thaum cov tshuaj nres bubbling, lim tawm cov khib nyiab bypouring cov tshuaj los ntawm cov ntawv lim mus rau hauv lub thib obbeaker.
Tib neeg kuj nug, kuv puas tuaj yeem ua calcium chloride?
Calcium chloride yog ntsev calcium thiab tshuaj chlorine . Koj xav tau Calcium thiab hydrochloric acid. Ntxiv 1/4 ntawm ib khob ntawm hydrochloric acid rau limestone. Cov tshuaj hydrochloric acid yuav pib npuas li nws dissolves thelimestone.
Tom qab ntawd, lo lus nug yog, CaCl2 ua haujlwm li cas los ua kom qhuav? Calcium chloride yog hygroscopic heev (absorbs dej los ntawm nws ib puag ncig), yog li nws tshem tawm cov dej noo los ntawm huab cua, ua rau nws ziab. Qhov no ua rau cov dej hauv cov khoom ua qhuav kom evaporate rau hauv huab cua qhuav, thiab qhov no cycles rov qab mus txog thaum lub kaw lus mus txog qhov sib npaug.
Ntxiv rau qhov no, calcium chloride ua li cas?
Calcium Chloride yog ib qho ntsev ntawm chav sov uas coj tus cwj pwm zoo li ionic halide. Feem ntau hauv Asmeskas calcium chloride yog tau los ntawm purification ntawm brine. Txawm hais tias Calcium Chloride tuaj yeem tsim tau ncaj qha los ntawm limestone, ntau qhov ntau kuj tau ua los ntawm cov txheej txheem Solvay.
Puas yog CaCl2 yog cov kua qaub lossis lub hauv paus?
CaCl2 yog ntsev muaj zog kua qaub (HCl) thiab muaj zog puag Ca(OH) 2. Yog li thaum yaj hauv dej nws qhia cov tshuaj tiv thaiv nram qab no. Raws li kev daws teeb meem muaj sib npaug ntawm H + thiab OH-ions, nws yog qhov nruab nrab.
Pom zoo:
Yuav ua li cas koj txiav txim siab npaum li cas ntawm cov kua qaub uas yuav tsum tau neutralize lub hauv paus?
Kev daws qhov teeb meem Acid-Base Neutralization Kauj Ruam 1: Muab xam cov moles ntawm OH-. Molarity = moles / ntim. moles = Molarity x Volume. moles OH- = 0.02 M/100 milliliters. Kauj ruam 2: Xam qhov ntim ntawm HCl xav tau. Molarity = moles / ntim. Volume = moles/molarity. Volume = moles H+/0.075 Molarity
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