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Ninaolteanu67
a fost răspuns

Calculati masele moleculare:Cl2,O3,H3PO3, K2SO4, Al(SO4)

Răspuns :

Pokj
Cl2     MCl2=2.35,5=71
O3      MO3=3.16=48
H3PO4         M=3+31+4.16=34+64=98
K2SO4          M=2.39+32+4.16=78+32+64=174
Al2(SO4)3     M=2.27+3.32 +12.16=54+96+192=342
Cl2
MCl2=2.35,5=71
O3
MO3=3.16=48
H3PO4
M=3+31+4.16=34+64=98
K2SO4
M=2.39+32+4.16=78+32+64=174
Al2(SO4)3
M=2.27+3.32 +12.16=54+96+192=342

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