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Author Question: Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is ... (Read 3 times)

Tb12162018

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Question 1

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 9.2–9.3?
◦ CH3COONa / CH3COOH  (Ka = 1.8 × 10–5)
◦ NH3 / NH4Cl (Ka = 5.6 × 10–10)
◦ NaOCl / HOCl (Ka = 3.2 × 10–8)
◦ NaNO2 / HNO2 (Ka = 4.5 × 10–4)
◦ NaCl / HCl

Question 2

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 4.6–4.8?
◦ CH3COO2Na / CH3COOH (Ka = 1.8 × 10–5)
◦ NH3 / NH4Cl (Ka = 5.6 × 10–10)
◦ NaOCl / HOCl (Ka = 3.2 × 10–8)
◦ NaNO2 / HNO2 (Ka = 4.5 × 10–4)
◦ NaCl / HCl


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Marked as best answer by Tb12162018 on Nov 5, 2023

hvhf4k+549qz8f218jyo@shar

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Tb12162018

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Reply 2 on: Nov 5, 2023
Wow, this really help


scikid

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Reply 3 on: Yesterday
Gracias!

 

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