Which of the following solutions when added to 1L of a 0.1 M `CH_3COOH` or in the pH of the solution `K_a=1.8xx10^(-5)` for `CH_3COOH`?

Question

Which of the following solutions when added to 1L of a 0.1 M `CH_3COOH` or in the pH of the solution `K_a=1.8xx10^(-5)` for `CH_3COOH`?

Which of the following solutions when added to 1L of a 0.1 M `CH_3COOH` or in the pH of the solution `K_a=1.8xx10^(-5)` for `CH_3COOH`?
A. `3 mM HCOOH (K_a=6xx10^(-4))`
B. `0.1 M CH_3COONa`
C. `1.34 mM HCl`
D. `0.1 M CH_3COOH`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A,C,D
`[H^+]=sqrt(1.8xx10^(-5)xx0.1)=1.34xx10^(-3) M`
to which the solution in (A,C & D) are ISOHYDRIC.

5 views Answered 2023-02-05 15:29