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    'In a half empty, but tightly stoppered bottle of Cola, the following equilibrium is established.

    CO2(aq) <--> CO2(g)

    If you squeeze the bottle to expel most of the air and then stoppered the bottle tightly, would the cola keep it's fizziness better or not?'

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    I thought removing gaseous CO2 would cause a counter-act in this change, and so CO2(aq) would leave the cola, attempting to replenish the CO2(g), and thus the fizziness would be reduced and the position of eqb would now lie more towards thr right.

    This idea turned out to be wrong. Can anyone help?
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    It could be that no new air enters the bottle, so that [CO_2(g)] remains constant, and only the volume decreases.
 
 
 
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