Ib zaug ua tiav, koj yuav tsum ua raws li txoj kev sib tham. Qhov no suav nrog: Tshem tawm qhov qis dua (8 w / v) los ntawm qhov xav tau (10% w / v)=2 (siab dua qhov sib piv tus nqi) Tshem tawm qhov xav tau (10 w / v) los ntawm cov concentration siab dua (20% w/v)=10 (qis concentration ratio tus nqi)
Koj suav qhov sib txheeb li cas?
Kev sib koom ua haujlwm li cas?
- Kauj Ruam 1: Txheeb xyuas cov ntaub ntawv muab. Siab concentration=10% w/v. …
- Kauj Ruam 2: Hloov tag nrho cov ntaub ntawv mus rau hauv daim ntawv zoo sib xws thiab chav nyob. Ntawm no tag nrho cov ntsiab lus concentration tau qhia hauv % w / v cov ntsiab lus, yog li tsis tas yuav hloov cov hom ntawv.
- Kauj Ruam 3: Thov kev sib koom ua ke. Cia peb qhia qhov sib piv piv li H:L.
Txoj cai ntawm kev sib cav yog dab tsi?
Txoj cai ntawm kev sib koom ua ke hais tias "Thaum ntau qhov sib txawv ntawm cov khoom xyaw sib txawv sib xyaw ua ke los tsim cov khoom sib xyaw ntawm tus nqi nruab nrab, qhov piv ntawm lawv qhov ntau yog inversely proportional rau qhov sib txawv ntawm lawv cov nqi ntawm cov txhais tau tias tus nqi. "
kev sib cav daws teeb meem dab tsi?
Kev sib koom ua ke yog thaj chaw tseem ceeb ntawm kev ua kom muaj nuj nqis rau ntau yam kev sib tw. Txoj cai ntawm kev sib koom ua ke ua rau peb nrhiav qhov piv ntawm ob lossis ntau cov khoom xyaw ntawm tus nqi muab yuav tsum tau muab sib xyaw los tsim cov khoom sib xyaw ntawm tus nqi xav tau.
Lub ntsiab lus ntawm Alligation yog dab tsi?
1 rare Qhov kev txiav txim ntawm kev txuas, sib koom, khi, lossis txuas; lub xeev lossis qhov tseeb ntawm kev txuas, koom nrog, lossis khi; union, kev sib txuas; ua ke. 2 Tus lej lej ntawm kev daws teeb meem uas cuam tshuam nrog kev sib txuas ntawm cov khoom sib txawv lossis tus nqi; ib qho piv txwv ntawm kev siv txoj kev no.
