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

Author Question: A sample of water has hardness expressed as 81 ppm Ca2+(aq). The sample is passed through an ion ... (Read 48 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
on: Jul 8, 2021
A sample of water has hardness expressed as 81 ppm Ca2+(aq). The sample is passed through an ion exchange column and the Ca2+(aq) ions are replaced by H+(aq) ions. What is the pH of the water after it has been treated? (1 ppm = 1 g solute/106 g solution)
◦ 2.50 ppm
◦ 1.10 ppm
◦ 0.79 ppm
◦ 2.39 ppm
◦ 2.70 ppm
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by darbym82 on Jul 8, 2021

kaylee05

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 8, 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 25% of students answer this correctly


darbym82

  • Member
  • Posts: 570
Reply 2 on: Jul 8, 2021
Gracias!

bassamabas

  • Member
  • Posts: 294
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Relationships between direction of flow of blood and water or air in different vertebrates. Relationships between direction of flow of blood and water or air in different vertebrates.
Sample prescriptions of antibiotics for prophylaxis against infective endocarditis. Sample prescriptions of antibiotics for prophylaxis against infective endocarditis.
Sample client goals from the Wellness Massage Pyramid. Sample client goals from the Wellness Massage Pyramid.
Conventional oil reserves have passed peak production Conventional oil reserves have passed peak production
Better land and water management and appropriate crop selection can help eliminate hunger Better land and water management and appropriate crop selection can help eliminate hunger
A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is: A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is:
Video: Oral Hygiene & Braces Animation

For a complete list of videos, visit our video library