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

Author Question: A sample of potassium nitrate (49.0 g) is dissolved in 101 g of water at 100 C, with precautions ... (Read 18 times)

neverstopbelieb

  • Hero Member
  • *****
  • Posts: 534
on: Aug 27, 2018
A sample of potassium nitrate (49.0 g) is dissolved in 101 g of water at 100 C, with precautions taken to avoid evaporation of any water. The solution is cooled to 30.0 C and a small amount of precipitate is observed. This solution is ________.
 
  A) hydrated
  B) placated
  C) saturated
  D) unsaturated
  E) supersaturated

Question 2

Which one of the following compounds contains the smallest percent oxygen by mass?
 
  A) CO2
  B) N2O4
  C) P4O10
  D) SO2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

D


neverstopbelieb

  • Member
  • Posts: 534
Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

The Water Cycle The Water Cycle
Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground
Wetlands Store and Clean Water Wetlands Store and Clean Water
Membrane potential of a cell permeable to potassium only. Membrane potential of a cell permeable to potassium only.
A water spray bottle is an excellent diagnostic tool to help find an intermittent engine misfire ... A water spray bottle is an excellent diagnostic tool to help find an intermittent engine misfire ...
Regulation of Water Reabsorption by ADH Regulation of Water Reabsorption by ADH
Video: Inflammation

For a complete list of videos, visit our video library