the number of molecules present in 5 grams of H2 is
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▶Given weight =5
▶ Molecular weight of h2 =2
▶Number of moles =given weight / molecular weight
▶No. of moles =5/2=2.5
> Now we know 1 mole = 6.02×10^23molecules /atoms
▶2.5 moles will have
▶2.5×6.02×10^23=15.05×10^23
hope helps
▶Given weight =5
▶ Molecular weight of h2 =2
▶Number of moles =given weight / molecular weight
▶No. of moles =5/2=2.5
> Now we know 1 mole = 6.02×10^23molecules /atoms
▶2.5 moles will have
▶2.5×6.02×10^23=15.05×10^23
hope helps
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