Chemistry, asked by sandhyathonukunuri, 1 year ago

the number of molecules present in 5 grams of H2 is

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Answered by Anonymous

your answer

▶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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