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

Author Question: A weak acid, HF, is in solution with dissolved sodium fluoride, NaF. If HCl is added, which ion will ... (Read 43 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
on: Mar 21, 2021

Question 1

A titration of 200.0 mL of 1.05 M H2A was done with 1.00 M NaOH. For the diprotic acid H2A, Ka1 = 2.5 × 10–5, Ka2 = 3.1 × 10–9. Calculate the pH before any 1.00 M NaOH has been added.

◦ 11.71
◦ 4.58
◦ 9.42
◦ 9.16
◦ 2.29

Question 2

A weak acid, HF, is in solution with dissolved sodium fluoride, NaF. If HCl is added, which ion will react with the extra hydrogen ions from the HCl to keep the pH from changing?

◦ OH–
◦ Na+
◦ F–
◦ Na–
◦ None of these are correct.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by krzymel on Mar 21, 2021

wtf444

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Mar 21, 2021
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


krzymel

  • Member
  • Posts: 548
Reply 2 on: Mar 21, 2021
Wow, this really help

Chelseyj.hasty

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Citric Acid Cycle Citric Acid Cycle
Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th
Amino acid Amino acid
Overview of Pyruvate Oxidation and the Citric Acid Cycle Overview of Pyruvate Oxidation and the Citric Acid Cycle
Avocados are a good source of pantothenic acid, dietary fiber, vitamin K Avocados are a good source of pantothenic acid, dietary fiber, vitamin K
A solution of CsF in water has XCsF = 0.0700. What is the molality? A solution of CsF in water has XCsF = 0.0700. What is the molality?
Video: Exercise and cardiac output & Definition of stroke volume

For a complete list of videos, visit our video library