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Consider the following acids:

H2CO3 (Ka =4.3x 10-7)

HI (K=3.2×10)

Select the single best answer for each part.

Part 1 of 2

Identify the stronger acid.

HI

H2CO3

Part 2 of 2

Which acid has the stronger conjugate base?

HI

H2CO3

1 answer

For Part 1:

HI is the stronger acid compared to H2CO3 because it has a larger acid dissociation constant (K value).

For Part 2:

Since HI is the stronger acid in this case, its conjugate base will be weaker compared to the conjugate base of H2CO3. Therefore, H2CO3 has the stronger conjugate base.