# Frequent question: Is Ksp the same as Q?

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Kf = [Ag(NH3)2+]
[Ag+][NH3]2

## How does Ksp differ from Q?

The key difference between Ksp and Qsp is that Ksp indicates the solubility of a substance whereas Qsp indicates the current state of a solution. … Solubility product quotient is the product of concentrations of ionic species in a solution at any time; before the saturation or after the solution is saturated.

## What is the difference between the ion product Q and the solubility product Ksp?

The solubility product (Ksp) is used to calculate equilibrium concentrations of the ions in solution, whereas the ion product (Q) describes concentrations that are not necessarily at equilibrium.

## What will happen to a solution where Q Ksp?

If more solid as added to an unsaturated solution, it dissolves until the solution is saturated (at which point there is solid in equilibrium with the solvated ions). … If Q < Ksp, the solution is unsaturated and no precipitation will occur.

## Why does a precipitate form when q is greater than Ksp?

Likewise, when substituted into the equilibrium expression, a value larger than K sp results. Thus, when Q is greater than K sp results in precipitation. If Q is larger than K, then the reaction will shift to the left to establish equilibrium. Thus, BaSO 4 (s), a precipitate, forms.

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## What happens when Q K?

Q can be used to determine which direction a reaction will shift to reach equilibrium. If K > Q, a reaction will proceed forward, converting reactants into products. If K < Q, the reaction will proceed in the reverse direction, converting products into reactants. If Q = K then the system is already at equilibrium.

## Does Q change with temperature?

As long as the pressures are fixed, the temperature does not affect the instantaneous value of the reaction quotient. When you increase the temperature, what happens is that the equilibrium constant K drops. Let’s say that before changing the temperature Q=K=0.01 (just an example).

## What happens when Q equals KSP?

The reaction quotient, Q, can be used to determine whether a precipitate will form with a given concentration of ions. … If Q = Ksp, a precipitate will form. If Q > Ksp, a precipitate will form. Note that precipitation may not happen immediately if Q is equal to or greater than Ksp.

## What if Q is less than K?

If Q<K, then the reaction favors the products. The ratio of products to reactants is less than that for the system at equilibrium—the concentration or the pressure of the reactants is greater than the concentration or pressure of the products.

## What is the KSP formula?

Ksp=[M+][X−][MX(s)] , but MX(s) as A SOLID cannot express a concentration, and thus the expression simplifies to… Usually standard conditions are specified, because a hot solution can generally hold more solute than a cold one. have been measured for a host of insoluble, and semi-soluble ionic salts.

## What is a high KSP value?

Ksp (Solubility product constant) is the equilibrium between a solid and its respective ions in a solution. The value of the constant identifies the degree of which the compound can dissociate in water. For example the higher the Ksp the more soluble the compound is.

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## How does temperature affect KSP?

Temperature. Most solutes become more soluble in a liquid as the temperature is increased. … Temperature affects the solubility of both solids and gases but hasn’t been found to have a defined impact on the solubility of liquids.