This equilibrium reaction can be represented as follows. When dissolved in polar solvents, one calcium chloride molecule dissociates into one calcium cation and two chloride anions. The reason for the difference is that teachers like to change the values slightly so as to not allow a student to simply look up the correct answer and claim they did all their work on the calculator. Ksp Na + Cl What is the solubility product constant for calcium chloride The chemical formula of calcium chloride is CaCl 2. Note: the book value for the K sp of Mg(OH) 2 is 5.61 x 10¯ 12. /rebates/&252fksp-calculations-chemistry.

= 1.479 x 10¯ 4 M divided by 2 = 7.395 x 10¯ 5 MĦ) We now have the necessary values to put into the K sp expression: = 10¯ pOH = 10¯ 3.83 = 1.479 x 10¯ 4 Mĥ) From the chemical equation, we note that the is half the value of the, therefore: If you were to see a problem where the specified temperature was different, it's probably just that the reference source gave a K sp that, for whatever reason, was not at 25.0 ☌.Įxample #1: A saturated solution of Mg(OH) 2 is prepared. All problems in this tutorial are taken to be at 25.0 ☌. Then, we will use the K sp expression to calculate the K spįinal Note: K sp are almost always given at 25.0 ☌ in reference sources. To do this, we will use the pH and acid base concepts. To solve the problem, we must first calculate the. The solubility product constant Ksp is a useful parameter for calculating the aqueous solubility of sparingly soluble compounds under various conditions. If you lack one or the other of these skills, just be aware you just might struggle a little in your understanding of this problem type. Warning: you need to know about K sp AND acid base ideas to do this problem type. Exercise 6: Using the Ksp value from Exercise 1 calculate the solubility of.

We know the pH and we know the solution is saturated. I examine the chemical equation and see that there is a one-to-one ratio. Please be aware that this problem does not require a concentration to be given in the problem.

Return to a listing of many types of acid base problems and their solutions Calculate the K sp of a Saturated Solution When Given the pH

Ksp calculations chemistry