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

Author Question: What is the pH of a 0.20 M H2Se solution that has the stepwise dissociation constants Ka1 = 1.3 ... (Read 45 times)

nmorano1

  • Hero Member
  • *****
  • Posts: 598

Question 1

Calculate the concentration of bicarbonate ion, HCO3-, in a 0.050 M H2CO3 solution that has the stepwise dissociation constants Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10-11.
◦ 2.2 × 10-8 M
◦ 1.5 × 10-4 M
◦ 5.6 × 10-11 M
◦ 4.3 × 10-7 M

Question 2

What is the pH of a 0.20 M H2Se solution that has the stepwise dissociation constants Ka1 = 1.3 × 10-4 and Ka2 = 1.0 × 10-11?
◦ 4.59
◦ 2.29
◦ 3.89
◦ 5.57


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by nmorano1 on Feb 15, 2020

Carissamariew

  • Sr. Member
  • ****
  • Posts: 359
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




nmorano1

  • Member
  • Posts: 598
Reply 2 on: Feb 15, 2020
Excellent


momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

For a complete list of videos, visit our video library