Ajutor la chimie pls
Răspunsuri la întrebare
Răspuns:
Explicație:
SO3 M= 32 + 3.16=64------> 80g/moli
CO2 M= 12 + 2 .16=44--------> 44g/moli
SiO2 M=28 + 2.16=60------> 60g/moli
SO2 M 32 + 2.16=64-------> 64g/moli
H2 S M= 2 + 32= 34-------> 34g/moli
P Br3 M= 31 + 3.80=271---------> 271g/moli
PCl5 M= 31 + 5.35,5=208,5--------> 208,5g/moli
P I3 M= 31 + 3.127=412------>412g/moli
PCl3 M= 31 + 3.35,5=137,5------> 137,5g/moli
NO2 M= 14 + 2.16= 46---------> 46g/moli
P2O5 M= 2.31 + 5.16=142---------> 142g/moli
CO M= 12 + 16=28---------> 28g/moli
Răspuns:
1. SO3
MSO3= 32 + 3x16=80g/mol
2. CO2
MCO2= 12 + 2x16=44g/mol
3. SiO2
MSiO2=28 + 2.16= 60g/mol
4. SO2
M SO2=32 + 2x16=64g/mol
5. H2 S
MH2S= 2 + 32= 34g/mol
6.P Br3
MPBr3= 31 + 3x80= 271g/mol
7.PCl5
MPCl5= 31 + 5.35,5=îî 208,5g/mol
8. P I3
MPI3= 31 + 3x127=412g/mol
9.PCl3
MPCl3= 31 + 3x35,5=137,5g/mol
10. NO2
MNO= 14 + 2x16= 46g/mol
11. P2O5
MP2O5= 2x31 + 5x16=142g/mol
12. CO
MCO= 12 + 16=28g/mol
Explicație: