Qhov sib txawv tseem ceeb ntawm cov tshuaj molar thiab cov tshuaj ib txwm yog cov tshuaj molar muaj ib qho mole ntawm cov tshuaj yaj hauv ib liter ntawm cov kuab tshuaj thaum cov tshuaj ib txwm muaj ib lossis ntau qhov sib npaug ntawm cov kua hauv ib liter ntawm cov tshuaj.
Ib qho tshuaj yog qhov sib xyaw ntawm cov kuab tshuaj thiab cov kuab tshuaj. Peb tuaj yeem faib cov kev daws rau hauv ob hom kev daws teeb meem molar thiab cov kev daws teeb meem ib txwm ua raws li qhov concentration ntawm cov kuab tshuaj hauv cov tshuaj. Lawv yog "txoj kev daws teeb meem" hauv chemistry. Peb tuaj yeem sau npe cov tshuaj molar xav txog cov naj npawb ntawm cov moles hauv cov tshuaj thaum peb npe cov kev daws teeb meem ib txwm xav txog stoichiometry ib yam.
Molar Solution yog dab tsi?
Cov tshuaj Molar muaj ib qho mole ntawm cov kuab tshuaj hauv ib liter ntawm cov tshuaj. Qhov no txhais tau hais tias cov kev daws teeb meem no muaj ib qho mole ntawm cov tshuaj yaj hauv ib liter ntawm kev daws. Yog li ntawd, molar concentration ntawm cov tshuaj yog ib txwm 1M. Piv txwv li, yog tias peb yaj 58.44 g ntawm sodium chloride (NaCl) hauv ib liter dej, ces peb tau 1M aqueous tov ntawm NaCl. Molar concentration yog txawv ntawm molar concentration vim molar concentration muab tus naj npawb ntawm moles ntawm cov solute tam sim no nyob rau hauv ib liter ntawm tov.
Txoj kev daws teeb meem yog dab tsi?
Cov tshuaj ib txwm yog cov tshuaj uas muaj ib lossis ntau qhov sib npaug ntawm cov kuab tshuaj yaj hauv ib liter ntawm cov tshuaj. Nws yog ib lub tswv yim zoo sib xws rau cov tshuaj molar, tab sis lawv txawv ntawm ib leeg. Peb yuav tsum muab cov molar concentration ntawm cov kev daws teeb meem xav txog stoichiometry ib yam nkaus.
Daim duab 01: Cov tshuaj sib txawv
Ib qhov sib npaug ntawm cov kuab tshuaj txhais tau tias muaj pes tsawg tus reactants uas tuaj yeem tsim ib lub mole ntawm hydrogen ions. Yog li ntawd, HCl los yog NaOH sib npaug ib qho sib npaug whereas H2SO4 sib npaug ob qhov sib npaug ib liter ntawm kev daws.
Dab tsi yog qhov txawv ntawm Molar tov thiab cov tshuaj ib txwm?
Cov tshuaj Molar muaj ib lub mole ntawm cov kua nyob rau hauv ib liter ntawm kev daws whereas ib txwm cov tshuaj yog ib tug tov uas muaj ib tug sib npaug ntawm solutes yaj nyob rau hauv ib liter ntawm kev daws. Ob lub ntsiab lus no yog ze li ntawm ib leeg tab sis qhov sib txawv ntawm cov tshuaj molar thiab cov tshuaj ib txwm yog tias thaum txiav txim siab qhov concentration ntawm cov kev daws teeb meem, peb tsis xav txog qhov stoichiometry ntawm cov kuab tshuaj hauv cov tshuaj molar. Tab sis rau cov kev daws teeb meem ib txwm, peb xav txog stoichiometry ib yam nkaus.
Summary -Molar Solution vs Normal Solution
Ob cov molar thiab cov kev daws ib txwm hais txog cov qauv kev daws teeb meem hauv chemistry. Yog li, peb sau lawv raws li lawv cov concentrations. Qhov sib txawv ntawm cov tshuaj molar thiab cov tshuaj ib txwm yog tias cov tshuaj molar muaj ib qho mole ntawm cov tshuaj yaj hauv ib liter ntawm cov kuab tshuaj thaum cov tshuaj ib txwm muaj ib lossis ntau qhov sib npaug ntawm cov tshuaj hauv ib liter ntawm cov kuab tshuaj.
