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Zad.3.21
a) Mg(NO3)2....9 atomów
Mg...1 atom
N.....2 atomy
O.....6 atomów
b) Sn(NO3)4.....17 atomów
Sn...1 atom
N....4 atomy
O...12 atomów
c) Zn(NO2)2.....7 atomów
Zn...1 atom
N....2 atomy
O....4 atomy
d) Ba3(PO4)2....13 atomów
Ba....3 atomy
P.....2 atomy
O.....8 atomów
e) 3Cr2(CO3)3...42 atomy
Cr....6 atomów
C.....9 atomów
O.....27 atomów
f) 4Fe3(PO4)2...52 atomy
Fe...12 atomów
P.....8 atomów
O....32 atomy
g) 2Al2(SO4)3....34 atomy
Al...4 atomy
S....6 atomów
O....24 atomy
h) 4Pb(NO3)2...36 atomów
Pb...4 atomy
N....8 atomów
O....24 atomy