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

Author Question: What is the mass/vol % ethanol in an ethanol-water solution with a density of 0.875 g/mL and ... (Read 251 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
on: Jul 8, 2021

Question 1

What is the freezing point of a solution of 7.15 g MgCl2 in 100 g of water? Kf for water is
◦ -0.140 °C
◦ -1.40 °C
◦ -2.80 °C
◦ -4.18 °C

Question 2

What is the mass/vol % ethanol in an ethanol-water solution with a density of 0.875 g/mL and containing 65.0% ethanol by volume? The density of pure ethanol is 0.789 g/mL.
◦ 90.2% ethanol (mass/vol)
◦ 56.9% ethanol (mass/vol)
◦ 51.3% ethanol (mass/vol)
◦ 58.6% ethanol (mass/vol)
◦ 74.5% ethanol (mass/vol)
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 mydiamond on Jul 8, 2021

ngr69

  • 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 39% of students answer this correctly


mydiamond

  • Member
  • Posts: 804
Reply 2 on: Jul 8, 2021
:D TYSM

parshano

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

A typical eye wash station. A thorough flushing of the eyes with water is the first and often the ... A typical eye wash station. A thorough flushing of the eyes with water is the first and often the ...
Waterspouts are tornadoes that occur over warm-water bodies, instead of over land. Waterspouts are tornadoes that occur over warm-water bodies, instead of over land.
Bottled vs. Tap Water: A Summary Bottled vs. Tap Water: A Summary
Integral Solution Integral Solution
Physics - Pressure, Density, Pascal's Principle Physics - Pressure, Density, Pascal's Principle
Maple syrup is produced by evaporating most of the water from sap collected from maple trees in Maple syrup is produced by evaporating most of the water from sap collected from maple trees in
Video: Glucagon (glycogenolysis and gluconeogenesis)

For a complete list of videos, visit our video library