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

Author Question: Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and ... (Read 44 times)

kmcolvin

  • Full Member
  • ***
  • Posts: 140

Question 1

Calculate the pH of a buffer solution prepared by dissolving 0.2 mole of sodium cyanate (NaCNO) and 1.0 mole of cyanic acid (HCNO) in enough water to make 1.0 liter of solution. [Ka(HCNO) = 2.0 × 10–4]
◦ 0
◦ 3.0
◦ 3.7
◦ 4.4
◦ 5.0

Question 2

Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and 0.80 mole of sodium cyanate (NaCNO) in enough water to make 1.0 liter of solution.
         [Ka(HCNO) = 2.0 × 10–4]
◦ 0.97
◦ 3.10
◦ 4.40
◦ 3.70
◦ 4.30


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by kmcolvin on Nov 5, 2023

Nutellas_Good

  • Full Member
  • ***
  • Posts: 156
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 35% of students answer this correctly




kmcolvin

  • Member
  • Posts: 140
Reply 2 on: Nov 5, 2023
Thanks for the timely response, appreciate it


at

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Gracias!

 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

For a complete list of videos, visit our video library