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

Author Question: How many moles of CaF2 will dissolve in 3.0 liters of 0.036 M NaF solution? (Ksp for CaF2 = 4.0 1011) (Read 79 times)

s.tung

  • Hero Member
  • *****
  • Posts: 577

Question 1

How many moles of Ca(NO3)2must be added to 1.0 L of a 0.255 M KF solution to begin precipitation of CaF2? Kspof CaF2 = 4.0 × 10–11

3.1 × 10–10
1.6 × 10–10
2.6 × 10–12
6.2 × 10–10
2.5 × 10–5

Question 2

How many moles of CaF2 will dissolve in 3.0 liters of 0.036 M NaF solution? (Ksp for CaF2 = 4.0 × 10–11)

3.1 × 10–8
3.7 × 10–10
9.3 × 10–8
1.0 × 10–8
None of these are correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by s.tung on Mar 21, 2021

jackie

  • Sr. Member
  • ****
  • Posts: 324
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




s.tung

  • Member
  • Posts: 577
Reply 2 on: Mar 21, 2021
Thanks for the timely response, appreciate it


laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

For a complete list of videos, visit our video library