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

Author Question: HA is an acid with a pKa = 4.5. Which of the following statements about an aqueous solution of HA is true? (Read 50 times)

notis

  • Hero Member
  • *****
  • Posts: 596
on: Nov 6, 2019
HA is an acid with a pKa = 4.5. Which of the following statements about an aqueous solution of HA is true?
◦ At pH = 3.5, the solution contains more A- than HA
◦ At pH = 4.5, the solution contains about the same amount of A- and HA.
◦ At pH = 4.5, the solution contains more H-A than A-
◦ At pH = 6.5, the solution contains much more HA than A-.
◦ At pH = 4.5, the solution contains more A- than H-A
Essential Organic Chemistry ¦ Bruice ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by notis on Nov 6, 2019

Chou

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Nov 6, 2019
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


notis

  • Member
  • Posts: 596
Reply 2 on: Nov 6, 2019
Wow, this really help

bassamabas

  • Member
  • Posts: 294
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Structures formed by phospholipids in an aqueous environment: Micelle Structures formed by phospholipids in an aqueous environment: Micelle
Properties of Nitric Acid Properties of Nitric Acid
Acid-Reactive Salts Acid-Reactive Salts
Validation of the genetic code by amino acid sequence analysis of T4 phage lysozyme mutants Validation of the genetic code by amino acid sequence analysis of T4 phage lysozyme mutants
Guanosine 3’,5’-tetraphosphate senses amino acid starvation Guanosine 3’,5’-tetraphosphate senses amino acid starvation
What is the mole fraction of I2 in a solution made by dissolving 139 g of I2 in 245 g of ... What is the mole fraction of I2 in a solution made by dissolving 139 g of I2 in 245 g of ...
Video: Green alga life cycle Animation

For a complete list of videos, visit our video library