mN=14u
mO=16u
mN:mO=7:4 /*4
28:16
28u:14u=2 atomy N
16u:16u=1 atom O
Wzór: N2O
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mN=14u
mO=16u
mN:mO=7:4 /*4
28:16
28u:14u=2 atomy N
16u:16u=1 atom O
Wzór: N2O