If aqueous solutions of potassium chromate and barium...

Name: Problem 64, Chapter 6: Introductory Chemistry
Uploaded: 2021-03-17T08:58:24-08:00
Duration: 5 min 6 s
Channel: Dr. Satish Ingale
Description: If aqueous solutions of potassium chromate and barium chloride are mixed, a bright yellow solid (barium chromate) forms and settle out of the mixture, leaving potassium chloride in solution. Write a balanced chemical equation for this process.

If aqueous solutions of potassium chromate and barium chloride are mixed, a bright yellow solid (barium chromate) forms and settle out of the mixture, leaving potassium chloride in solution. Write a balanced chemical equation for this process.

Key Concepts

Balanced Chemical Equations

Balanced chemical equations accurately represent a chemical reaction by ensuring the conservation of mass. This means that the number of atoms for each element is the same on both the reactant and product sides, reflecting the fundamental law of conservation of matter.

Net Ionic Equations

Net ionic equations simplify the portrayal of a chemical reaction by showing only the ions and molecules directly involved in the formation of the precipitate or other products, omitting spectator ions which do not undergo any chemical change.

Solubility Rules

Solubility rules are a set of guidelines that predict whether an ionic compound will dissolve in water. They help determine which combinations of ions will remain in solution and which will form a solid precipitate when mixed.

Double Displacement Reaction

A double displacement reaction involves the exchange of ions between two ionic compounds, resulting in the formation of two new compounds. This type of reaction is common in aqueous solutions where the interaction of ions can lead to the formation of a precipitate.

Precipitation Reaction

A precipitation reaction occurs when two aqueous solutions combine to form an insoluble solid, known as the precipitate. These reactions are driven by the solubility characteristics of the resulting products, where one product does not remain dissolved in the solution.

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