Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left. a. 0.035 M Ba(NO3)2; NaF b. 0.085 M Calz; K2SO4 c. 0.0018 M AgNO3; RbCI

Respuesta :

Answer:

a) 0.0265M

b) 8.35×10^-4M

c) 9.833×10^-8M

Explanation:

First we must write down the equation of each reaction. After identifying the insoluble precipitate, we go ahead to write down the expression for its solubility product. If the solubility product of the compound is known, the concentration of the precipitating agent can now be calculated from the available information in the question.

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The minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left are:

  • a) 0.0265M
  • b) 8.35×10^-4M
  • c) 9.833×10^-8M

What is Precipitation?

This refers to the chemical process where an insoluble compound is formed by either using reactants or by changing the temperature.

Hence, we can see that based on the given reactions, we made use of their individual equations to show for the insoluble precipitate and the solubility product.

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