Avogadro's number is the number of molecules present in : | Chemistry | SolveeIt

Question

Avogadro's number is the number of molecules present in :

1 L of molecule

1 g of molecules

gram molecular mass

1 g atom of molecules

Answer

gram molecular mass

Explanation

Solution

Avogardo?s number $(6.023\times {{10}^{23}})$ is the number of molecules present in 12 g of ${{C}^{12}}$ isotope of carbon 1 mole of any/substance (at STP) contains $6.023\times {{10}^{23}}$ molecules 1 mole = gram/molecular mass of a substance $=32g\,{{O}_{2}}$ $=2\,g\,{{H}_{2}}$ etc.

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