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A Buffer Solution Contains H2CO3 and HCO3 - , Resulting

Question 92

Multiple Choice

A buffer solution contains H2CO3 and HCO3 - , resulting in the equilibrium shown by the reaction below. According to this reaction and LeChatelier's principle, what happens when acid (H3O+) is added to this buffer solution? A buffer solution contains H<sub>2</sub>CO<sub>3</sub> and HCO<sub>3</sub> <sup>-</sup> , resulting in the equilibrium shown by the reaction below. According to this reaction and LeChatelier's principle, what happens when acid (H<sub>3</sub>O<sup>+</sup>)  is added to this buffer solution?   A)  More HCO<sub>3</sub> <sup>-</sup>  is formed. B)  More H<sub>3</sub>O<sup>+ </sup>is formed. C)  More H<sub>2</sub>CO<sub>3</sub> is formed D)  Less H<sub>2</sub>O is formed. E)  The reaction shifts to the right.


A) More HCO3 - is formed.
B) More H3O+ is formed.
C) More H2CO3 is formed
D) Less H2O is formed.
E) The reaction shifts to the right.

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