Lub kua yog cov khoom uas yaj. Lub solvent is the dissolving medium.
Lub sij hawm yog dab tsi rau qhov kev sib faib nruab nrab hauv pawg kev daws teeb meem ntawm cov lus teb xaiv?
solvent. dissolving nruab nrab nyob rau hauv ib tug tov. daws. cov tshuaj tau yaj nyob rau hauv ib qho kev daws.
Yuav ua li cas yog yaj hauv tshuaj hu ua?
Ib qho kev daws teeb meem thaum ib qho tshuaj yaj los ntawm lwm tus. Cov khoom uas yaj yog hu ua tus solute. Cov khoom uas yaj nws yog hu ua cov kuab tshuaj. Cov kuab tshuaj yog tam sim no nyob rau hauv tsawg dua qhov hnyav.
Puas caffeine yog cov kuab tshuaj los yog kuab tshuaj?
kas fes (inert solid) muaj caffeine molecules (solute). Cov av kas fes yog submerged hauv dej (kua kua) kom tau txais cov caffeine molecules. Hauv dej, kas fes hauv av yog insoluble thaum cov caffeine molecules soluble. Sij hawm dhau mus cov caffeine molecules yaj thiab ntws mus rau hauv dej.
Txoj cai golden ntawm solubility yog dab tsi?
txoj cai golden ntawm solubility yog zoo li dissolves like. Hauv lwm lo lus, polar solvents dissolve polar material, thiab non-polar solvents dissolve non-polar.
