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

Author Question: TRIS {(HOCH2)3CNH2} is one of the most common buffers used in biochemistry. A solution is prepared ... (Read 79 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
on: Feb 15, 2020

Question 1

What is the pH of a buffer system made by dissolving 10.70 grams of NH4Cl and 20.00 mL of 12.0 M NH3 in enough water to make 1.000 L of solution? Kb = 1.8 × 10-5 for NH3.
◦ 9.34
◦ 9.18
◦ 9.26
◦ 11.03

Question 2

TRIS {(HOCH2)3CNH2} is one of the most common buffers used in biochemistry. A solution is prepared by adding enough TRIS and 12 M HCl(aq) to give 1.00 L of solution with [TRIS] = 0.30 M and [TRISH+] = 0.60 M. What is the pH of this buffered system if the pKb is 5.92?
◦ 6.22
◦ 5.92
◦ 8.08
◦ 7.78
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by beccaep on Feb 15, 2020

potomatos

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Feb 15, 2020
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 29% of students answer this correctly


beccaep

  • Member
  • Posts: 535
Reply 2 on: Feb 15, 2020
:D TYSM

ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

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.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

The Eastern Banjo Frog is a common frog species across eastern Australia. The Eastern Banjo Frog is a common frog species across eastern Australia.
The Common Pochard - female The Common Pochard - female
Common Abbreviations and Symbols Used by Massage Therapists Cont. Common Abbreviations and Symbols Used by Massage Therapists Cont.
Binding of the estrogen receptor to DNA, as inferred from solution NMR spectroscopy Binding of the estrogen receptor to DNA, as inferred from solution NMR spectroscopy
Business Math Question Solution Business Math Question Solution
With solution With solution
Video: Burn Animation

For a complete list of videos, visit our video library