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

Author Question: How many moles of HCl need to be added to 150.0 mL of 0.50 M NaZ to have a solution with a pH of ... (Read 28 times)

abern

  • Hero Member
  • *****
  • Posts: 533
on: Mar 21, 2021

Question 1

How many millimoles of HCl must be added to 100 mL of a 0.100 M solution of methylamine (pKb= 3.36) to give a buffer having a pH of 10.00?

◦ 8.1
◦ 18.7
◦ 20.0
◦ 41.5
◦ 12.7

Question 2

How many moles of HCl need to be added to 150.0 mL of 0.50 M NaZ to have a solution with a pH of 6.50? (Ka of HZ is 2.3 × 10–5)? Assume negligible volume of the HCl.

◦ 6.8 × 10–3
◦ 7.5 × 10–2
◦ 5.0 × 10–1
◦ 1.0 × 10–3
◦ 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 abern on Mar 21, 2021

yifu223

  • Sr. Member
  • ****
  • Posts: 302
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 55% of students answer this correctly


abern

  • Member
  • Posts: 533
Reply 2 on: Mar 21, 2021
Great answer, keep it coming :)

tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Chewy: Finding Added Sugars on the Label A food Chewy: Finding Added Sugars on the Label A food
Evaluate: With solution. Evaluate: With solution.
What will the pH be upon adding .01 moles of HI? What will the pH be upon adding .01 moles of HI?
What is the pH of the solution? What is the pH of the solution?
How many milliliters of a 1:8 sodium chloride solution contain 300 milligrams of sodium ... How many milliliters of a 1:8 sodium chloride solution contain 300 milligrams of sodium ...
To make a 3.00 m solution, one could take 3.00 moles of solute and add To make a 3.00 m solution, one could take 3.00 moles of solute and add
Video: Mendel's Pea Experiment

For a complete list of videos, visit our video library