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Which of the following solutions added t...

Which of the following solutions added to 1L of a 0.01 M `CH_(3)COOH` solution will cause no change in the degree of dissociation of `CH_(3)COOH` and pH of the solution ?
`(K_(a)=1.6xx10^(-5)` for `CH_(3)COOH)`

A

`0.6mM HCOOH (K_(a)=8xx10^(-4))`

B

`0.1 M CH_(3) COONa`

C

`0.4 mMHCl`

D

`0.01 M CH_(3)COOH`

Text Solution

AI Generated Solution

To determine which solution added to 1 L of a 0.01 M CH₃COOH solution will cause no change in the degree of dissociation and pH of the solution, we can follow these steps: ### Step 1: Calculate the pH of the 0.01 M CH₃COOH solution Given: - Concentration of CH₃COOH (C) = 0.01 M - \( K_a \) for CH₃COOH = \( 1.6 \times 10^{-5} \) Using the formula for the pH of a weak acid: ...
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