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Calculeaza densitatea hidrogenului si a oxigenului in conditii normale
R: ph2= 0,089 g/L; po2=1,428g/L


Răspuns :

[tex]V_m=22,4l[/tex]

[tex]1 \ mol \ H_2=2A_H=2*1=2g[/tex]

[tex]\rho_{H_2}=\frac{m_{H_2}}{V_m}=\frac{2g}{22,4L}=0,089g/L[/tex]

[tex]1 \ mol \ O_2=2A_O=2*16=32g[/tex]

[tex]\rho_{O_2}=\frac{m_{O_2}}{V_m}=\frac{32g}{22,4L}=1,428g/L[/tex]