1.
ms=250*2%=5gmw=250-5=245Potrzeba 5g sody i 245g wody.
2.ms=30*6%=1,8gOtrzymamy 1,8g chlorku sodu
3.25g--75gx-----100gx=33,33gRozpuszczalność wynosi 33,33g
1. Cp = ms/mr * 100%/:100%
Cp/ 100% = ms/mr /* mr
Cp * mr/100% = ms
ms = 2% * 250g/100% = 500g/100 = 5g
mrozp = mr-ms
mrozp = 250g - 5g = 245g
2.
ms = Cp *mr/100%
ms = 6% *30g/100%
ms = 180g/100
ms = 1,8g
3.
Cp = 25% -> 25g substancji w 100g roztworu
mrozp = 100-25 = 75g
xg - 100g
25g - 75g
xg = 25g*100g/75g
R = 33,3g
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1.
ms=250*2%=5g
mw=250-5=245
Potrzeba 5g sody i 245g wody.
2.
ms=30*6%=1,8g
Otrzymamy 1,8g chlorku sodu
3.
25g--75g
x-----100g
x=33,33g
Rozpuszczalność wynosi 33,33g
1. Cp = ms/mr * 100%/:100%
Cp/ 100% = ms/mr /* mr
Cp * mr/100% = ms
ms = 2% * 250g/100% = 500g/100 = 5g
mrozp = mr-ms
mrozp = 250g - 5g = 245g
2.
ms = Cp *mr/100%
ms = 6% *30g/100%
ms = 180g/100
ms = 1,8g
3.
Cp = 25% -> 25g substancji w 100g roztworu
mrozp = 100-25 = 75g
xg - 100g
25g - 75g
xg = 25g*100g/75g
R = 33,3g