Answer to Question #8903 in Inorganic Chemistry for sean kingston
in 1 mol is 6,02x10^23 (Avogadro constant)
in 0,25 mol is 1.505x10^23
number of molecules :1.505x10^23
In ozone(O3) are 3 atoms of oxygen,so number of atoms :3*1.505x10^23 =4,515x10^23
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