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FanGirl1D
a fost răspuns

Calculati masa de metan (CH4) care contine 48,176x10^26 legaturi sigma.

Răspuns :

Moonlight01
1 mol CH4.......................4*6,022*10^23 legaturi sigma
x moli CH4......................48176*10^23 legaturi sigma

x=48176/24,088=2000 moli CH4 = 2 kmoli CH4

MCH4=AC+4AH=12+4*1=16kg/kmol

n=m/M=>m=n*M=2*16=32kg CH4