Question

Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is suitable for making a buffer solution with an optimum pH of 3.2-3.5? CH3COONa / CH3COOH (Ka = 1.8 x 10^–5) NH3 / NH4Cl (Ka = 5.6 x 10^–10) NaOCl / HOCl (Ka = 3.2 x 10^–8) NaNO2 / HNO2 (Ka = 4.5 x 10^–4) NaCl / HCl

Name: assuming equal concentrations of conjugate base and acid which one of the following mixtures is suitable for making a buffer solution with an optimum ph of 32 35 ch3coo2na ch3cooh ka 18 x 10 16058
Uploaded: 2023-07-21T07:18:43-08:00
Duration: 3 min 5 s
Channel: Madhur L
Description: assuming equal concentrations of conjugate base and acid which one of the following mixtures is suitable for making a buffer solution with an optimum ph of 32 35 ch3coo2na ch3cooh ka 18 x 10 16058

          Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is suitable for making a buffer solution with an optimum pH of 3.2-3.5?

CH3COONa / CH3COOH (Ka = 1.8 x 10^–5)
NH3 / NH4Cl (Ka = 5.6 x 10^–10)
NaOCl / HOCl (Ka = 3.2 x 10^–8)
NaNO2 / HNO2 (Ka = 4.5 x 10^–4)
NaCl / HCl

Added by Christopher W.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Madhur L

07/21/2023

Step 1

Step 1: Calculate the pKa value for each given mixture using the given Ka values. Show more…

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Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is suitable for making a buffer solution with an optimum pH of 3.2-3.5? CH3COONa / CH3COOH (Ka = 1.8 x 10^–5) NH3 / NH4Cl (Ka = 5.6 x 10^–10) NaOCl / HOCl (Ka = 3.2 x 10^–8) NaNO2 / HNO2 (Ka = 4.5 x 10^–4) NaCl / HCl