Broj atoma

Submitted by medicinar97 on Wed, 02/11/2015 - 19:31
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Koliko atoma kiseonika se nalazi u 2000 µmola dinitrogen-pentoksida ?

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milicaradenkovic - Wed, 02/11/2015 - 22:32

N2O5

n(N2O5)=2000 *10(-6) mol

n(O)+5*n(N2O5)=5*2000*10(-6)=0.01 mol

N(O)=n(O)*Na=0.01*6*10(23)=6*10(21)