a)10 litre of hydrogen gas at STP contains x molecules.How many molecules will be present in 2 litre of Nitrogen gas at the same temperature and pressure ?
b)Find the number of molecules in 112 litres of ammonia gas at STP
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દેખ દેખ તુ યહા વહા ના દેખ પહેલેગીનબિમારી હોગા સબકા બુરહા હાલ
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