Question

The pkb of acetic acid and pkb all ammonium hydroxide add 4.76 and 4.75 respectively calculate pH ammonium acetic solution

Answer 1

when a weak acid and a weak baseare mixed to form a solution,the ph of the solution is determined by following formula

ph=7+1/2[pka-pkb]

=7+1/2[4.76-4.75]

=7+1/2[0.01]

=7+0.005

ph=7.005

Hope it helps you

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Answer 2

$\huge\boxed{\underline{\mathcal{\red{A}\green{N}\pink{S}\orange{W}\blue{E}\purple{R}}}}$

• ❤..${pH}$=$+{1/2[pka - pkb]}$
• =${7+1/2[4.76-4.75]}$
• =${7+1/2[0.01]=7+0.005=7.005}$