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maks197457 [2]
4 years ago
14

The acid dissociation constant for boric acid, h3bo3, is 5.8 x 10-10. calculate the dissociation constant, kb , of the hydrogen

borate ion ( hbo32- ).
Chemistry
2 answers:
Dmitriy789 [7]4 years ago
6 0
The answer is 5.8x10^-10. I did the math and checked other sources as well.
Cloud [144]3 years ago
3 0

<u>Answer:</u> The base dissociation constant for a conjugate base is 1.72\times 10^{-5}

<u>Explanation:</u>

To calculate the base dissociation constant for the given acid dissociation constant, we use the equation:

K_w=K_b\times K_a

where,

K_w = Ionic product of water = 10^{-14}

K_a = Acid dissociation constant = 5.8\times 10^{-10}

K_b Base dissociation constant = ?

Putting values in above equation, we get:

10^{-14}=5.8\times 10^{-10}\times K_b\\\\K_b=0.172\times 10^{-4}=1.72\times 10^{-5}

Hence, the base dissociation constant for a conjugate base is 1.72\times 10^{-5}

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