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 175 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
Wow, this really help

anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Water-soluble organic molecules. Water-soluble organic molecules.
Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap
Due to compressibility, atmospheric mass gradually “thins out” with height. Due to compressibility, atmospheric mass gradually “thins out” with height.
Factors Affecting Saturation and Condensation: Effect of Solution Factors Affecting Saturation and Condensation: Effect of Solution
Variations in Ocean Water Density with Depth Variations in Ocean Water Density with Depth
A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ... A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ...
Video: Fermentation pathways

For a complete list of videos, visit our video library