47 u-(1 u+32 u)=mX
mX=14 u- jest to azot (N)
mH:mO=1:32
mH=1 u
mO=16 u
1 u:1 u=1 atom wodoru
32 u:16 u=2 atomy tlenu
Wzór: HNO2
Odp. B
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47 u-(1 u+32 u)=mX
mX=14 u- jest to azot (N)
mH:mO=1:32
mH=1 u
mO=16 u
1 u:1 u=1 atom wodoru
32 u:16 u=2 atomy tlenu
Wzór: HNO2
Odp. B