Question:

The unit in which the solubility product of barium phosphate is expressed as

Updated On: Aug 1, 2022

$mol^{2} \, dm ^{-6}$
$mol^3\, dm^{-9}$
$mol^4\, dm^{-12}$
$mol^5\, dm^{-15}$

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The Correct Option is D

Solution and Explanation

Barium phosphate when dissolved in water: $Ba_{3}\left(PO_{4}\right)_{2} \rightarrow 3Ba^{2+}+2PO_{4}^{3-}$ Let the solubility of Ba 3 (PO) be s mol dm $\Rightarrow$ Solubility product = (Ba) (PO) s = mol dm

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Concepts Used:

Concentration of Solutions

It is the amount of solute present in one liter of solution.

Concentration in Parts Per Million - The parts of a component per million parts (106) of the solution.

Mass Percentage - When the concentration is expressed as the percent of one component in the solution by mass it is called mass percentage (w/w).

Volume Percentage - Sometimes we express the concentration as a percent of one component in the solution by volume, it is then called as volume percentage

Mass by Volume Percentage - It is defined as the mass of a solute dissolved per 100mL of the solution.

Molarity - One of the most commonly used methods for expressing the concentrations is molarity. It is the number of moles of solute dissolved in one litre of a solution.

Molality - Molality represents the concentration regarding moles of solute and the mass of solvent.

Normality - It is the number of gram equivalents of solute present in one liter of the solution and it is denoted by N.

Formality - It is the number of gram formula present in one litre of solution.