Q.

How much oxygen will add with 36 g carbon to give 132 g carbon dioxide assuming complete combustion of carbon?


 

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a

63 g

b

20 g

c

90 g

d

96 g

answer is A.

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Detailed Solution

Solution:

Concept: According to the law of conservation of mass the total mass of the products is equal to the total mass of the reactants.

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Question Image

Hence, the mass of oxygen is 96g.


 

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