Question

Carbon dioxide produced by heating sodium hydrogen carbonate is dry whereas that
produced by the action dilute hydrochloric acid on sodium hydrogen carbonate is moist.
What do you think about the difference in the composition of carbon dioxide in the two
cases?

Answer 1

Answer:

The composition of C02 in both the cases would be same, i.e., the carbon and oxygen will combine in the same ratio 1:2. The law associated is law of constant proportion.

Explanation:

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Answer 2

Answer: The difference is that there is water present in the hydrochloric acid and so water vapour is given off, thus dding a second gas to the mixture. ... Carbon dioxide produced by acid thus is impure as it is tainted water.

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