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How can 1 mole of carbon …

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How can 1 mole of carbon (12gms) when burnt in air, can produce 1mole of carbondioxyde (44gms)? If so, then why it is not proving the Law of Conservation of Mass (12gms to 44gms)?

Posted by Shabd Sarthak 7 months, 2 weeks ago

CBSE > Class 11 > Chemistry

1 answers

Adithya Dev 7 months, 1 week ago

It is possible, but you aren't able to comprehend the question. Air in which it is burnt does contain O2 which reduces carbon to CO2. So you must involve O2 as a reactant in the reaction. Now, check the LHS, we get 12g (C) + 32g (O2) = 44g = Mass of CO2 in RHS. Law of conservation of mass never has been wrong except in radioactive decays.

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