How many moles are there in 9.2 gram nitrogen dioxide?

1.	How many moles are there in 9.2 gram nitrogen dioxide?
Answer» →Mass of Nitrogen DIOXIDE (NO₂) = 9.2gTo FIND:-→Number of moles PRESENT is 9.2g Nitrogen dioxideSolution:-•Atomic Mass of Nitrogen(N) = 14u•Atomic mass of Oxygen(O) = 16uHence,molecular mass of Nitrogen dioxide:-= 14+16×2= 14+32= 46u ∵ Molecular mass of Nitrogen dioxide is 46u.∴ Molar mass of Nitrogen dioxide is 46g.Now:-Number of moles:-= Given Mass/Molar mass= 9.2/46= 0.2 moleThus, 0.2 MOLE is there in 9.2g Nitrogen dioxide.

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