Oblicz ile gram KCL mozna rozpuscic w 100g H2O jezeli stezenie wynosi 13%Mk=39 g/molMcl=35,5 g/mol
Cp=13%=0,13
mH2O=100g
ms=?
mr=?
mr=mH2O + ms
Cp=ms/mH2O+ms *100%
0,13=ms/ms+100 |*(ms+100)
0,13ms + 13=ms
13=0,87ms |:0,87
ms=14,9g - tyle KCl można rozpuścić w 100g wody.
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Cp=13%=0,13
mH2O=100g
ms=?
mr=?
mr=mH2O + ms
Cp=ms/mH2O+ms *100%
0,13=ms/ms+100 |*(ms+100)
0,13ms + 13=ms
13=0,87ms |:0,87
ms=14,9g - tyle KCl można rozpuścić w 100g wody.