An acid such as hydrochloric acid can be concentrated or dilute.explain.?

Answer 1

It freely soluble it water, and is also stable in the absence of water.

So you can make from <100% HCl down to 0% HCl by dissolving HCl(g) in water.

Answer 2

Concentrated and dilute are relative terms that have to do with the number of paricles per volume. Dilute solutions simply have much fewer particles than concentrated ones. Unfortunately, there is no standard on what is considered dilute or concentrated. Generally, solutions that have low molarities (1-5 etc) are considered dilute while those with high molarities (10-18 etc) are considered concentrated. Often solutions that come to the lab (such as hydrochloric acid) have a maximum molarity at room temperature. The molarity of 37% hydrochloric acid is about 12 or 12.1 and is the concentration most often shipped when ordering HCl.

Answer 3

The terms concentrated and dilute refer to the molarity (mol/L) of the acid.

Concentrated acid is just saying it has a high molarity... for example, 12 M HCl would be considered the concentrated version. For high school experiments, the teacher will start with the 12 M HCl and prepare a dilute sample for the class.

A dilute sample is just the concentrated acid watered down. Most simple experiments with HCl recommend 3M or 1M HCl.

Answer 4

An acid concentration is dilute or concentrated depending on the number of moles of acid that is dissolved in water (this is know as Molarity). The more moles of HCl dissolved in water then more concentrated the acid is. I would class a molarity of 5 or less as dilute and a molarity of 10 or more as concentrated. Hope that helps.