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( Cp = ms / mr * 100% )
jeśli dodamy 100g wody będziemy mieli 300 g roztworu w którym jest 10g kwasu
Cp = 10 / 300 *100 % = 3 i 1/3 %
C%1 = 5%
mw = 100g
Sz:
ms
C%2
mr2
200 g = 100%
x = 5g
x= 200*5/100 = 10g masa kwasu solnego w roztworze 5%.
mr2 = 200+100g = 300g masa roztowru drugiego
300g = 100%
10g = x
x=10*100/300 = 3 1/3
Stezenie wynosi 3 1/3%
mr=200g
ms=5×200/100=1000/100=10g
mr2=200+100=300g
ms2=10g
cp2=10×100%/300=1000/300=3.33%