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

Author Question: What is the pH a 2.0-liter buffered solution created from 0.35 M NH3(Kb= 1.8 105) and 0.26 M NH4F? (Read 15 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546

Question 1

What is the percent dissociation of HNO2 when 0.060 g of sodium nitrite is added to 115.0 mL of a 0.065 M HNO2 solution? Ka for HNO2 is 4.0 × 10–4.

14%
0.34%
5.3%
0.077%
7.8%

Question 2

What is the pH a 2.0-liter buffered solution created from 0.35 M NH3(Kb= 1.8 × 10–5) and 0.26 M NH4F?

9.26
9.38
4.62
4.87
9.13


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by cdr_15 on Mar 21, 2021

AISCAMPING

  • Sr. Member
  • ****
  • Posts: 347
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 39% of students answer this correctly




cdr_15

  • Member
  • Posts: 546
Reply 2 on: Mar 21, 2021
Great answer, keep it coming :)


patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

For a complete list of videos, visit our video library