Mole ConceptMedium
Question
In which of the following pairs, 10 g of each have an equal number of molecules ?
Options
A.N2O and CO
B.N2 and C3O2
C.N2 and CO
D.N2O and CO2
Solution
Equal number of molecules are present when moles are same. For the same mass the molecular weight has to be same.
Hence Mw of N2 = Mw of CO = 28 g
Mw of N2O = Mw of CO2 = 44 g
Hence Mw of N2 = Mw of CO = 28 g
Mw of N2O = Mw of CO2 = 44 g
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