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ms-25g Cp=? Cp=ms:mr x 100%
mrozp-100g mr=? mr=ms+mrozp
Obliczenia
mr=25g+100g=125g
Cp=25g:125g x 100%= 20%
Odp. Stężenie wynosi 20%
m2(rozpuszczalnika) = 100 g
mr(masa roztworu) = 25 +100 = 125g
25/125 * 100% = 20% :P