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Grade: 12th pass
        
What volume of oxygen gas (o2) measured at 0°C and 1 atm , is needed to burn completely 1L of propane gas(C3H8) measured under the same conditions?  (1) 10L (2) 7L (3) 6L (4) 5L
[ Sir Aise question mai reaction ko yad karna padta hai ]
one month ago

Answers : (1)

Vikas TU
8478 Points
							
Dear student 
C3H8+5O2=3CO2+4H2O
so 1mole of proparne require 5 mole of O2(stochiometrically) now convert them into liters
1*22.4 propane will give5*22.4
therefore 1l will give 5l
Yes you need the idea of reaction , just remember prouct and input , and balance the reaction .
one month ago
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