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Problema 148 va rog frumos

Problema 148 Va Rog Frumos class=

Răspuns :

Cm=n/Vs==>n=Cm*Vs=2*0.2=0.4 moli NaCl

Cm=n/Vs=>n=Cm*Vs=2*0.01=0.02 molli in flacon

Cm=n/Vs=0.02/1=0.02 moli/L