Ib tshuaj yog ib homogeneous sib tov ntawm ob los yog ntau tshaj tshuaj. Cov khoom uas muaj nyob rau hauv qhov loj tshaj plaws yog hu ua cov kuab tshuaj thiab ib qho tam sim no nyob rau hauv lub me me yog hu ua ib tug solute. Tsuas muaj ib qho kuab tshuaj xwb, tab sis muaj peev xwm ua tau ntau yam.
Yuav ua li cas thaum muaj cov kuab tshuaj ntau dua li cov kuab tshuaj?
Qhov concentration ntawm cov tshuaj tuaj yeem txo qis ntxiv, lossis diluted, los ntawm kev ntxiv cov kuab tshuaj ntxiv. Ntawm qhov tod tes, raws li cov ntsiab lus ntau ntxiv rau kev daws, cov tshuaj ua kom muaj zog ntau dua. … Yog hais tias ib qho tshuaj muaj cov kuab tshuaj tsawg dua li qhov siab tshaj plaws, nws yog ib qho tshuaj tsis txaus.
Yuav ua kom hnyav tsawg dua li cov kuab tshuaj?
A solute yog cov khoom muaj nyob rau hauv qhov me me hauv cov tshuaj. Cov kuab tshuaj yog cov khoom muaj nyob rau hauv qhov loj dua hauv cov tshuaj.
Qhov twg yog qhov hnyav dua thiab solute?
Ib lub ntsiab yog cov khoom uas yuav yaj (qab zib). Cov kuab tshuaj yog ib qho ua kom yaj (dej). Raws li txoj cai ntawm tus ntiv tes xoo, feem ntau muaj cov kuab tshuaj ntau dua li cov kuab tshuaj. Tus nqi ntawm cov kuab tshuaj uas tuaj yeem yaj los ntawm cov kuab tshuaj yog txhais tau tias yog solubility.
Puas muaj ob lub kuab tshuaj?
Yes and no. Yog tias cov khoom sib xyaw ua kua, cov khoom yog cov kua thiab cov kua yog cov kuab tshuaj. Yog tias koj muaj ntau tshaj ib yam kua tam sim no nrog rau cov kua dej, ces cov kua theem yoghu ua "sib tov hnyav," tsis yog ntau cov kuab tshuaj.
