Molarna masa hemoglobina

Submitted by Armela on Fri, 06/13/2014 - 12:47
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Hemoglobin ulazi u sastav eritrocita, a sadrži, prema analizi suhe materije 0,328% Fe. M(Fe)=55,85.

1. Izračunati najmanju molarnu masu hemoglobina

 

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milicaradenkovic - Fri, 06/13/2014 - 15:05

Jedan zadatak jedna tema.

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Armela - Fri, 06/13/2014 - 15:15

Izvinjavam se. Evo ispravila sam. U zbirci je to bio jedan zadatak.

milicaradenkovic's picture

milicaradenkovic - Fri, 06/13/2014 - 15:35

w(Fe)=Ar(Fe)/Mr

Mr=55.85/0.328=170.27 g/mol Da tebi nije 0.328 a ne 0.328%.

Armela's picture

Armela - Fri, 06/13/2014 - 15:47

To i meni nije jasno. Piše 0.328% i u rješenju 17027g/mol.

milicaradenkovic's picture

milicaradenkovic - Fri, 06/13/2014 - 16:51

Ako je tako onda je resenje tacno

0.00328=55.85/Mr

Mr=55.85/0.00328=17027 g/mol

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Armela - Fri, 06/13/2014 - 17:24

Veliko hvala.