Question

what volume of oxygen at STP is required to fact the combustion of 11 litres of Italy in at 273 degree Celsius and 380 mm of HG pressure using Avogadro law using Avogadro

Answer 1

according to Avogadro 's law ,
in equal temperature and pressure , equal no of molecule contains when volume is equal .
hence ,
no of mole are equal ,
no of molecule of oxygen = PV/RT
= 760mm × V/RT

no of mole in Italy = 380× 11 /RT

now, according to Avogadro law
760× V/RT = 380× 11/RT

V = 380×11/760 = 5.5 litres