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A NaHCO3 sample (1.5 g) reacted with excess hydrochloric acid, and all the CO2 gas formed...

A NaHCO3 sample (1.5 g) reacted with excess hydrochloric acid, and all the CO2 gas formed were collected in a balloon. Assume the reaction went to completion, at standard condition the volume of the balloon would be close to:

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