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Leviafan [203]
3 years ago
9

How many oxygen molecules are in 22.4 liters of oxygen gas at 273 K and 101.3 kPa

Chemistry
2 answers:
Dmitriy789 [7]3 years ago
4 0
This 273 K and 101.3 kPa is Standart conditions, so 22.4 L is 1 mol, 1 mol anything contains <span>6.023 x 10^23, 
AnswerA</span>
Rina8888 [55]3 years ago
3 0
Ow many oxygen molecules are in 22.4 liters of oxygen gas at 273k and 101.3kpa
First solve the number of moles of the oxygen gas by using the ideal gas equation:
PV = nRT
Where n is the number of moles
n = PV/RT
n = (101 300 Pa) (22.4 L) (1 m3/1000 L ) / ( 8.314 Pa m3 / mol K) ( 273 K)
n = 1 mol O2
the number of molecules can be solve using avogrados number 6.022x10^23 molecule / mole
molecules of one mole O2 = 6.022x 10^23 molecules

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