Nco ntsoov, qhov ntau dua qhov concentration ntawm cov khoom, qhov qis qis ntawm qhov khov yuav yog. 0.1mCaI2 yuav muaj qhov chaw khov qis tshaj plaws, ua raws li 0.1mNaCl, thiab qhov siab tshaj plaws ntawm peb qhov kev daws teeb meem yuav yog 0.1mC6H12O6, tab sis tag nrho peb ntawm lawv yuav muaj qhov qis qis dua li cov dej ntshiab..
Cov kev daws teeb meem twg muaj qhov chaw txias tshaj plaws?
Nco ntsoov, qhov ntau dua qhov concentration ntawm cov khoom, qhov qis qis ntawm qhov khov yuav yog. 0.1mCaI2 yuav muaj qhov chaw khov qis tshaj plaws, ua raws li 0.1mNaCl, thiab qhov siab tshaj plaws ntawm peb qhov kev daws teeb meem yuav yog 0.1mC6H12O6, tab sis tag nrho peb ntawm lawv yuav muaj qhov qis qis dua li cov dej ntshiab..
Qhov twg yuav qhia qhov chaw khov qis tshaj plaws?
Yog li ntawd, Cu(NO3)2 yuav muaj kev nyuaj siab siab tshaj plaws hauv qhov chaw khov thiab yog li yuav muaj qhov chaw txias tshaj plaws. Yog li, lo lus teb raug yog “Option C”.
Qhov twg muaj qhov qis tshaj qhov khov 1%?
0 g ntawm benzene, 1. 0 g ntawm AB2 txo qis qhov chaw khov los ntawm 2. 3oC, whereas 1. 0 g ntawm AB4 txo qis qhov khov los ntawm 1.
Dab tsi yog qhov chaw khov kho siab tshaj plaws?
(a) 1M qabzib tov muaj qhov chaw khov tshaj plaws vim nws qis tshaj ΔTf.
