This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is ... (Read 12 times)

Tb12162018

  • Full Member
  • ***
  • Posts: 134
on: Nov 5, 2023

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
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Tb12162018 on Nov 5, 2023

hvhf4k+549qz8f218jyo@shar

  • Full Member
  • ***
  • Posts: 174
Reply #1 on: Nov 5, 2023
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.
Answer Preview
Only 25% of students answer this correctly


Tb12162018

  • Member
  • Posts: 134
Reply 2 on: Nov 5, 2023
Thanks for the timely response, appreciate it

amit

  • Member
  • Posts: 364
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Acid Base Mnemonic Acid Base Mnemonic
The Last 10,000 Years of Greenhouse Gas Concentrations The Last 10,000 Years of Greenhouse Gas Concentrations
Structure of a Fatty Acid Fatty acids are the building blocks of some lipids Structure of a Fatty Acid Fatty acids are the building blocks of some lipids
A deficiency of linoleic acid can interfere with normal growth and result in inflammation A deficiency of linoleic acid can interfere with normal growth and result in inflammation
Acid–Base Balance Acid–Base Balance
What is the strongest monoprotic acid of the following set if all the acids are at 0.100 M ... What is the strongest monoprotic acid of the following set if all the acids are at 0.100 M ...
Video: HDL (high density lipoprotein)

For a complete list of videos, visit our video library