Zadanie 1
1 mol 6 g
N2+3 H2--->2 NH3
x mol 12 g
1 mol---6 g
x mol---12 g
x=2 mol
Zadanie 2
%N/%O=30%/70%=3:7
mN:mO=3:7 /*(4,7)
14:32
14 u:14 u=1 atom N
32 u:16 u=2 atomy O
Wzór: NO2
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Zadanie 1
1 mol 6 g
N2+3 H2--->2 NH3
x mol 12 g
1 mol---6 g
x mol---12 g
x=2 mol
Zadanie 2
%N/%O=30%/70%=3:7
mN:mO=3:7 /*(4,7)
14:32
14 u:14 u=1 atom N
32 u:16 u=2 atomy O
Wzór: NO2