Respuesta :

Answer:

Explanation:

In Double replacement reactions there is the exchange of anions and cations.

So to predict the double displacement reactions you must identify the anions and cations to be exchanged.

Martebi

There are different kinds of reaction. A person can predict the formation of a precipitate in a double-replacement reaction by using the general rules for solubility of ionic compounds.

What is the general rule of solubility?

The rules are;

  • The demarcation line between soluble and insoluble is 0.1-molar at 25 °C.
  • Any substance that can form 0.1 M or more concentrated is regarded as soluble.
  • Any substance that do not  reach 0.1 M is said to be insoluble, etc.

Theses laws helps one to known the various theories governing solubility of ionic compounds.

Learn more about solubility of ionic compounds from

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