Aqueous NaCl (aq) & Liquid vs. Aqueous States

In summary, when we use the notation NaCl (aq), we are referring to the dissolved NaCl, which consists of Na+ and Cl- ions. The "aq" indicates that the solution is aqueous, meaning it is dissolved in water. This is different from the liquid state, which does not necessarily involve water. The presence of water in an aqueous solution depends on the specific reaction being considered.
  • #1
Tam Le
23
1
What are we referring to when we denote, say, NaCl (aq)?

Are we referring to the dissolved NaCl (Na+ and Cl-)? Are we speaking of the solution as a whole (the dissolved NaCl and water)?

Also, how does the liquid state differ from an aqueous?
 
Chemistry news on Phys.org
  • #3
(aq) means water is definitely present. Whether it matters or not for a particular case is another question.
 
  • Like
Likes Emmanuel_Euler and Tam Le
  • #4
So, NaCl (aq) would imply Na+ and Cl- ions, plus water if it is relevant to the reaction at hand?
 
  • #5
Yes.
 

FAQ: Aqueous NaCl (aq) & Liquid vs. Aqueous States

1. What is the difference between aqueous NaCl (aq) and liquid NaCl?

Aqueous NaCl (aq) refers to a solution of sodium chloride dissolved in water, while liquid NaCl refers to pure, undissolved sodium chloride in its liquid state. Aqueous NaCl has a higher concentration of sodium chloride compared to liquid NaCl.

2. How does the state of NaCl affect its properties?

The state of NaCl, whether it is in its liquid or aqueous state, can affect its properties such as density, boiling point, and solubility. Aqueous NaCl has a higher boiling point and is more soluble compared to liquid NaCl.

3. Can you convert liquid NaCl to its aqueous state?

Yes, liquid NaCl can be converted to its aqueous state by dissolving it in water. This process is known as hydration, where the water molecules surround and separate the Na+ and Cl- ions, allowing them to move freely in the solution.

4. How is the concentration of NaCl in an aqueous solution determined?

The concentration of NaCl in an aqueous solution is determined by the amount of NaCl dissolved in a given volume of water. This is usually expressed in units of molarity (moles of NaCl per liter of solution).

5. What are some common uses of aqueous NaCl?

Aqueous NaCl has several applications in everyday life, including as a food preservative, in the production of chlorine and sodium hydroxide, and as a de-icing agent for roads and sidewalks. It is also used in medical settings as a saline solution for intravenous fluids.

Similar threads

Puzzled by aqueous solution terminology
Replies
2
Views
2K
Can Na2PdCl4 be used as a substitute for PdCl2 in electroless copper plating?
Replies
1
Views
2K
Aqueous Solution vs Liquid Solution
Replies
17
Views
7K
Difference between liquid HCl and a solution of HCl
Replies
1
Views
3K
Disolving NaCl in deionized water gives high pH value
Replies
21
Views
4K
What is the true definition of an ionic liquid?
Replies
4
Views
2K
Why Is Aqueous Tension Treated Separately in Equilibrium Calculations?
Replies
9
Views
12K
Substance is in equilibrium between its vapour and liquid
Replies
2
Views
3K
WHy are ionic bonds intramolecular forces?
Replies
2
Views
2K
Precipitation reactions with AgNO3 and NaCl
Replies
9
Views
10K

Hot Threads

Recent Insights

Back
Top