how many molecules are present in one gram molecular mass of a substance
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Let the molecular mass of a substance be x gm.
Then
x gram contains Avogadro no. of molecules (N
)
Hence 1 gm(y) contain x×y/N
for e.g.
Sodium with molecular mass 24gm contain Avogadro no. of molecules.
Let 1 gm contain y molecules
Then
y=N/24 .
Then
x gram contains Avogadro no. of molecules (N
)
Hence 1 gm(y) contain x×y/N
for e.g.
Sodium with molecular mass 24gm contain Avogadro no. of molecules.
Let 1 gm contain y molecules
Then
y=N/24 .
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