Gravimetrija

Submitted by miina123456 on Mon, 01/20/2014 - 23:35
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Koliki je maseni udio srebra u leguri bakra i srebra ako se iz 2 g legure gravimetrijskom analizom dobije taloga 1,3200 g.I ako može postupak izrade zadatka?

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milicaradenkovic - Tue, 01/21/2014 - 09:17

w(Ag)=m(Ag)/m(legure)

w(Ag)=1.32/2=0.66=66 %

m(taloga)=m(Ag)

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miina123456 - Tue, 01/21/2014 - 12:10

hvala vam