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

Author Question: An aqueous solution containing 12.0% MgCl2 by mass. What is the mol fraction of water in this solution? (Read 73 times)

MGLQZ

  • Hero Member
  • *****
  • Posts: 579
on: Jul 8, 2021

Question 1

An aqueous solution containing 1.0 g ephedrine in 20.0 mL solution is said to be:
◦ 5.0% ephedrine (mass/vol)
◦ 1.0% ephedrine (mass/vol)
◦ 0.50% ephedrine (mass/vol)
◦ 0.050% ephedrine (mass/vol)
◦ 20.0% ephedrine (mass/vol)

Question 2

An aqueous solution containing 12.0% MgCl2 by mass. What is the mol fraction of water in this solution?
◦ 0.975
◦ 0.880
◦ 0.868
◦ 0.133
◦ 0.952
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 MGLQZ on Jul 8, 2021

okolip

  • Sr. Member
  • ****
  • Posts: 362
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


MGLQZ

  • Member
  • Posts: 579
Reply 2 on: Jul 8, 2021
Thanks for the timely response, appreciate it

helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Plant-transpired water vapour mist rising from a tropical rain forest. Plant-transpired water vapour mist rising from a tropical rain forest.
Water Water
The sensing wire in a typical hot wire mass air flow sensor. The sensing wire in a typical hot wire mass air flow sensor.
Water vapor is supplied to the atmosphere by local evaporation or horizontal transport (advection). Water vapor is supplied to the atmosphere by local evaporation or horizontal transport (advection).
What is the density of 96 mL of a liquid that has a mass of 90.5 g? What is the density of 96 mL of a liquid that has a mass of 90.5 g?
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ... Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ...
Video: Phases of the Female Reproductive Cycle - Hormonal regulation

For a complete list of videos, visit our video library