Nickel 2 Phosphate Solubility Concepts

The video tutorial explains how to write the equation for nickel 2 phosphate when mixed with water. It discusses the solubility rules, highlighting that nickel 2 phosphate is mostly insoluble, with only a tiny amount dissolving. The tutorial then demonstrates how to write the equation for this small dissolved portion, emphasizing the ionic charges and the aqueous state of the ions. The video concludes by reiterating that the majority of nickel 2 phosphate remains solid.

What is the first step in determining the equation for nickel 2 phosphate in water?

• Calculate the pH of the solution

• Measure the temperature of the water

• Determine its solubility in water

• Check if it reacts with water

According to solubility rules, what is the solubility status of most phosphates?

• Always insoluble

• Insoluble with a few exceptions

• Soluble with no exceptions

• Always soluble

What happens to nickel 2 phosphate when placed in water?

• It completely dissolves

• It reacts violently

• It changes color

• It sinks to the bottom and remains solid

What can be said about the small amount of nickel 2 phosphate that dissolves in water?

• It evaporates

• It can be represented by an equation

• It remains unchanged

• It forms a new compound

What is the charge on the phosphate ion in the dissolution process?

• 0

• 2+

• 3-

• 1+

How many nickel ions are present in the dissolved equation?

• Four

• One

• Two

• Three

What does 'aq' signify in the chemical equation?

• Gaseous state

• Solid state

• Liquid state

• Aqueous or dissolved in water

Where is water sometimes placed in the chemical equation for dissolution?

• To the left of the reactants

• To the right of the products

• Below the arrow

• Above the arrow

What is the overall conclusion about nickel 2 phosphate's behavior in water?

• It fully dissolves

• It remains mostly solid

• It reacts to form a gas

• It changes color