« previous next »

Author Question: The lime-soda process is used for large-scale water-softening operations. CaO is added to ________. ... (Read 76 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
on: Aug 27, 2018
The lime-soda process is used for large-scale water-softening operations. CaO is added to ________.
 
  A) oxidize Fe2+ to insoluble Fe2O3
  B) cause precipitation of magnesium as Mg(OH)2
  C) remove most Al3+ as solid Al(OH)3
  D) cause precipitation of iron and magnesium as Fe2MgO4
  E) reduce the pH to 3-4

Question 2

A 0.100 M solution of ________ will contain the highest concentration of potassium ions.
 
  A) potassium phosphate
  B) potassium hydrogen carbonate
  C) potassium hypochlorite
  D) potassium iodide
  E) potassium oxide


lkanara2

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba
Plains zebra are highly dependent on water. Plains zebra are highly dependent on water.
Fragrant water lily Fragrant water lily
Your Body Is Mostly Water Your Body Is Mostly Water
Industrial and transport sources are responsible for a large proportion of global GHG emission Industrial and transport sources are responsible for a large proportion of global GHG emission
The large, white flowers of giant saguaro cactus (Carnegiea gigantea) produce sweet nectar. The flow The large, white flowers of giant saguaro cactus (Carnegiea gigantea) produce sweet nectar. The flow
Video: Fetal Development of the Cardiovascular System

For a complete list of videos, visit our video library