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Calculati masa a: a) 67,2 dm³ (c.n.) N₂
b) 67,2 dm³ (c.n.) NH₃


Răspuns :

a) V=67.2 dm3=67.2L
MN2=2*14=28g/mol
m/M=V/Vmolar => m=M*V/Vmolar=28*67.2/22.4=84g N2
b) MNH3=17g/mol
m=M*V/Vmolar=17*67.2/22.4=51g NH3