Precipitates yog insoluble ionic khoom khoom ntawm cov tshuaj tiv thaiv, tsim thaum qee cov cations thiab anions ua ke hauv cov tshuaj aqueous. Qhov kev txiav txim siab ntawm kev tsim cov nag lossis daus tuaj yeem sib txawv.
Puas nag los yaj hauv dej?
Qee lub sij hawm ions hauv cov tshuaj react nrog ib leeg los tsim ib yam khoom tshiab uas tsis soluble (tsis yaj), hu ua precipitate. Cov txheej txheem siv tau los kwv yees seb cov ntsev puas yuav los nag.
Koj paub li cas nag hmo?
Ib qho tshuaj ionic yog thaum cov ions ntawm ib qho chaw sib cais hauv cov tshuaj aqueous. Ib qho tshuaj tiv thaiv tshwm sim thaum koj sib tov ob lub ntsiab lus aqueous. Qhov no yog thaum koj paub tias cov nag lossis daus yuav tsim los yog tsis. Lub precipitate daim ntawv yog tias cov khoom ntawm cov tshuaj tiv thaiv ntawm cov ions yog insoluble hauv dej
Vim li cas ib daim ntawv los nag?
Ib nag xob nag cua yog cov khoom tsim los ntawm cov tshuaj tiv thaiv tshuaj uas txawv ntawm ob qho ntawm cov reactants. Qhov no tuaj yeem tshwm sim thaum cov kev daws teeb meem uas muaj ionic tebchaw sib xyaw thiab cov khoom lag luam insoluble tsim…
Puas BaCl2 tsim los nag?
Ib qho tshuaj ntawm barium chloride yog tov nrog cov tshuaj ntawm poov tshuaj sulfate thiab cov ntaub ntawv precipitate. … Vim nws yog insoluble hauv dej peb paub tias nws yog nag lossis daus.
