This topic contains a solution. Click here to go to the answer

Author Question: You have 100.0 mL of 0.100 M aqueous solutions of each of the following acids: HCN, HF, HCl, and ... (Read 96 times)

bobbie

  • Hero Member
  • *****
  • Posts: 592

Question 1

You dissolve 1.25 grams of an unknown diprotic acid in 200.0 mL of H2O. This solution is just neutralized by 5.00 mL of a 1.00 M NaOH solution. What is the molar mass of the unknown acid?

250
125
31.3
500
None of these are correct.

Question 2

You have 100.0 mL of 0.100 M aqueous solutions of each of the following acids: HCN, HF, HCl, and HC2H3O2. You titrate each with 0.100 M NaOH (aq). Rank the pHs of each of the solutions when each are titrated to the equivalence point, from highest to lowest pH.
 
Ka for HCN = 6.2 × 10–10
 
Ka for HF = 7.2 × 10–4
 
Ka for HC2H3O2 = 1.8 × 10–5
 


HCN, HC2H3O2, HF, HCl
HCl, HF, HCN, HC2H3O2
HF, HCN, HC2H3O2, HCl
HC2H3O2, HCl, HCN, HF
None of these are correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

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

ansleighelindsey

  • Sr. Member
  • ****
  • Posts: 364
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 55% of students answer this correctly




bobbie

  • Member
  • Posts: 592
Reply 2 on: Mar 21, 2021
:D TYSM


carojassy25

  • Member
  • Posts: 299
Reply 3 on: Yesterday
Gracias!

 

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

For a complete list of videos, visit our video library