Menu Close

What does it mean if a substance has a high concentration?

What does it mean if a substance has a high concentration?

concentration Add to list Share. A high concentration of a substance in a solution means that there’s a lot of it relative to the volume: the Great Salt Lake has very few fish because of the high concentration of salt.

What makes up concentration gradient?

In biology, a concentration gradient results from the unequal distribution of particles (e.g. ions) between two solutions, i.e. the intracellular fluid (the solution inside the cell) and the extracellular fluid (the solution outside the cell). The particles may move along or against their concentration gradient.

What is higher concentration to lower concentration?

Osmosis And Diffusion Definitions Diffusion: Diffusion is the movement of particles from an area of higher concentration to lower concentration. The overall effect is to equalize concentration throughout the medium.

Does higher concentration mean higher solubility?

Conversely, when the partial pressure increases in such a situation, the concentration of gas in the liquid will increase as well; the solubility also increases.

When a solution is very concentrated what has a high amount of?

Salt dissolved in the drinking water from a well is a dilute solution. The concentration of a solution can be even further reduced, or diluted, by adding more solvent. On the other hand, as more solute is added to a solution, the solution becomes more concentrated. A concentrated solution has a large amount of solute.

What is a high concentration gradient?

The difference in the concentration of a substance between two areas is called the concentration gradient . The bigger the difference, the steeper the concentration gradient and the faster the molecules of a substance will diffuse. The direction of diffusion is said to be ‘down’ or ‘with’ the concentration gradient.

What does down a concentration gradient mean?

Down a Concentration Gradient refers to going from regions of high concentration of some entity to regions of low concentration, and such movement generally occurs spontaneously, that is, if allowed to happen it happens.

What does the gradient represent in chemistry?

Definition: Refers to the concentration gradient of an ion or molecule. The concentration gradient may exist across a biological membrane, where the concentration is higher on one side of the membrane compared to the other side.

What is the concentration of a substance?

The concentration of a substance is the quantity of solute present in a given quantity of solution. Concentrations are usually expressed in terms of molarity, defined as the number of moles of solute in 1 L of solution.

When the concentration of a solute in its solution is high it is a concentrated solution True or false?

If the amount of solute in the solvent is relatively huge, then the solution is called concentrated. A solution becomes saturated when no further solute can be dissolved in the solvent at that temperature and it is supersaturated when no further solute can be dissolved after rigorous heating.

What is an example of concentration gradient?

The most common examples of concentration gradients involve solid particles dissolved in water . But gases can have concentration gradients, too. Human lungs and fishes’ gills both use concentration gradients to keep us alive.

What is a concentration gradient?

concentration gradient. a system that is set up where the concentration of any SUBSTRATE (usually in the form of ions or molecules) is different with respect to the concentration elsewhere in the system. For example, ionic concentration across cell membranes, solutes in sap.

What is concentration gradient diffusion?

concentration gradient (diffusion gradient) The difference in concentration between a region of a solution or gas that has a high density of particles and a region that has a relatively lower density of particles.