Carbonic Acid Formation

Carbonic Acid Formation

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Caption: Carbonic acid formation. Carbon dioxide (CO2) gas is bubbled through water that has universal indicator added. Initially the water is green, indicating a neutral solution. As some carbon dioxide is dissolved in the water, weak carbonic acid (H2CO3) is formed and the colour of the solution turns yellow, indicating a weakly acidic solution. The reaction is CO2 + H2O -> H2CO3.

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Keywords: acid, acidic, beaker, bubble, bubbling, carbon dioxide, carbonic acid, chemical, chemistry, co2, dissolve, gas, h2co3, h2o, indicator, ph indicator, reaction, solution, solutions, universal indicator, water, weak acid

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