Koyi game da mahimmancin mafita, nau'ikan su da wasu misalai

An fahimci a cikin duniyar sunadarai cewa mafita tare da haɗuwa masu kama da haɗuwa da abubuwa biyu, wanda ya narke, da sauran ƙarfi, waɗanda aka san su ta hanyar sharuɗɗan solute da sauran ƙarfi.

Daga cikin waɗannan mafita akwai hanyoyin magance su, waɗanda suka haɗa da duk waɗanda ba zai yiwu a san ainihin adadin ƙarfin mai narkewar abu zai iya narkewa ba, da ƙimatattun waɗanda zasu fassara a matsayin akasin tasirin waɗanda suka gabata.

Akwai dalilai da yawa wadanda dole ne a ƙaddara don sanin adadin ƙarfin a cikin mafita, amma don sanin abin da suke, dole ne mutum ya fara zurfafa zurfafawa game da menene mafita mai mahimmanci.

Menene mahimmanci mafita?

Dukkanin waɗannan sune waɗanda aka ƙayyade adadin sinadarin da ake buƙata don narke ƙwanƙwasa, wanda ke da mahimmanci a cikin kimiyya da fasaha, saboda suna ƙunshe da hanyoyin da babu kuskuren kuskure a ciki.

Aka gyara na mai daraja mafita

A cikin dukkanin mafita akwai abubuwa guda ɗaya, waɗanda sune masu ƙarancin ƙarfi, waɗanda suke aiki azaman sanadiyar narkewa, da warwarewa, waɗanda sune abubuwan da za'a narkar dasu, waɗanda yawanci basu da yawa fiye da sauran ƙarfi.

Nau'in mafita masu daraja

Ana iya lura da wanzuwar nau'ikan nau'ikan mafita guda uku masu daraja, waɗanda sune na asali, ionic da tsara su.

Matakan farko

An samo su ne daga mafita na wasu mahaɗan, waɗanda abubuwa ke samuwa ne kawai cikin yanayi mai tsabta da na halitta.

Maganin Ionic

Maganin shine wanda idan abin da ke cikin narkewar ya narke a cikin sinadarin sai ya rarrabashi zuwa ion ko kuma ya bazu, babban misali mafi yawa na wannan maganin shine na gishiri a cikin ruwa, tunda yana baje ion dinsa a cikin na ruwan da yake haifar da narkewar.

Tsara mafita

Abubuwa ne masu asali bisa lissafin abubuwan da nauyin kwayar zarra wanda ya samar dashi.

Yaya za a lissafta ƙimar abubuwan?

Don ƙididdige ƙimar wani bayani ya zama dole a san waɗanne abubuwa ne abubuwan da za a yi amfani da su, ta inda za a bi da su don ci gaba da amfani da sassan jiki ko ɓangarorin sunadarai.

A cikin rukunin sunadarai akwai ƙazanta, kuma ƙa'ida yayin da a cikin sassan jiki suke da ƙarfin maɓallin magana da ƙararta.

Rukunan sunadarai  

  • Molarity: Gwargwadon ma'auni ne wanda za'a iya samun shi mai ƙarancin ƙarfi a cikin wani bayani, walau na ionic, molecular ko atomic, wanda yawanci yanayin da yake canza shi shine zafin jiki. A cikin ilmin sunadarai an san shi azaman ƙararrawa, wannan an bayyana shi da harafin M.
  • Na al'ada: An bayyana shi azaman dangantakar da ke tsakanin adadin ƙarfin, tare da na sauran ƙarfi.
  • Rukunan jiki
  • Yawan kashi ta taro: shine yawan ml na solute wanda yake cikin mafita ga kowane gram 100 na narkewar abu.
  • Volume kashi ta taro: shine yawan nauyin gram na solute wanda ke da mafita ga kowane 100 ml na sauran ƙarfi.
  • Percentageara yawan kashi ta girma: yana nufin adadin a cikin millimeters ko cubic centimeters na solute a kowace santimita 100 na sukari ko millimeters na sauran ƙarfi.

Ya kamata a lura cewa don waɗannan tafiyarwar ya zama dole a san cewa maida hankali shine dangantakar da ke tsakanin adadin ƙwanƙwasa da adadin narkewar da ke wanzu a cikin wani bayani, wanda za'a iya bayyana shi a duk hanyoyin da aka gani a sama.

Kamar yadda kuma yake da mahimmanci a san solubility na abubuwa, wanda shine ƙarfin solute don tsarma a cikin sauran ƙarfi, wanda zai dogara da yanayin zafin jiki da matsin lamba, ana lasafta wannan ta hanyar ɗaukar kashi na molarity da na al'ada.

Bambanci tsakanin mahimmanci da ƙwarewar mafita

Babban banbanci tsakanin waɗannan mafita guda biyu shine cewa abubuwan da ake dasu sune waɗanda ba za a iya tantance ainihin adadin ƙarfin a cikin maganin ba, kuma waɗanda suke da daraja sune waɗanda, kamar yadda sunan su ya faɗi, suna da ƙimomi, wato, abubuwan da suke ƙunshe da su lissafi.

Za a iya cewa hanyoyin magancewa sune waɗanda ake aiwatarwa ta hanyar gwaji da kuskure, yayin da waɗanda aka kimanta an tsara su kuma galibi cikakke ne, tunda ba za a sami tazarar kuskure ba yayin aiwatar da su, saboda suna da wani adadi na abubuwa. don haɗuwa.

Yadda ake samun mafita mai daraja?

Sakamakon da za'a iya samu daga abubuwanda aka tsara sune ake aiwatar dasu ta hanyar wasu atisaye wanda ake amfani da duk abin da aka gani a wannan labarin, don ƙayyade matakin warwarewar kowane ɓangaren.

Don ƙayyade wannan, dole ne a kula da abubuwan ƙayyadewa: yanayin zafin jiki na abubuwa, matsin lamba a gida kasancewar gas, yanayin maƙarƙashiya da masu narkewa, kasancewar ions, pH na bayani da kasancewar hadadden abu wakilai.

Abun warwarewar ya dogara da abubuwan da KPS ke nuna ƙarfin ionic na abubuwan da ke ba su, ana iya ambata wasu misalai na gwargwadon ƙarfin solubility.

  • Fili: barium cremate, dabara: caBO3, KPS a digiri 25 Celsius 2.58 × 10
  • Fili: barium fluoride, dabara baF2, KPS a 25º digiri Celsius 1.84 × 10
  • Fili: aluminum hydroxide, dabara Al8HO) 3, KPS A 25º digiri Celsius 3 × 10

Har ila yau, a hankali lura da matakan haɗuwar abubuwa, wanda hakan ke taimakawa ƙayyade matakan saurinsu.

Yin nazarin ƙididdigar sa da kuma girman sa, ya danganta da abu, sannan kuma san sanin ƙimar sa ko ƙulli, ƙimar abu zai zama sananne, ana yin wannan galibi ta hanyoyin ƙa'idodi waɗanda zasu iya zama da ɗan rikitarwa.

Misali na matakin narkewa na iya zama na sukari, wanda a zazzabi na digiri 20 na ma'aunin Celsius, yana da ƙarfin narke gram 1330 daga shi ga kowane lita na ruwa, kodayake yana tafiyar hawainiya, ana iya cimma shi, wannan zai dauki kimanin minti 30 kafin a samo shi.  


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