Question

amount of oxygen required for complete combustion of 3kg C2H6

Answer 1

Answer:

8Kg

Explanation:

C2H6 +(5/2) O2 ----> 2 CO2 + 3 H2O

from stoichiometry we can see for complete combustion of 1 mole of ethane(30gm) we need 5/2 mole of Oxygen (80gm).

from unitary method;

3Kg ethane needs 8Kg of oxygen.

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see the picture for clear visualisation .

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