Question

What happens when carbon dioxide is dissolved in water?

Answer 1

Hey
here's your answer...
CO2 can exist solvated in water as CO2 but some (most) molecules will actually react with a water molecule to form H2CO3 which, in solution, will dissociate like an acid (in fact, H2CO3 is carbonic acid). So a CO2 solution of CO2 and water will be slightly acidic which is why sparkling water has a salty/sour taste. You can force more CO2 into solution by lowering the temperature and increasing the CO2 pressure (think soda water or coca-cola), and if you relieve the pressure most of it will bubble out of the water back to gaseous CO2 (the fizz in your soda or beer).
hope it helps you...

Answer 2

hii frnd here's the answer to the given question

CO2 is an acidic gas so when mixed with water it forms a weak acid called CARBONIC ACID(H2co3). It's very common acid and only occurs as solution form. You may find it in aerated drinks like sodas and soft drinks

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