Rate of dissolving

Front

What is the solvent in a solution?

Back

The solvent is the substance that dissolves the solute, usually present in a greater amount. In a saltwater solution, water is the solvent.

Front

What is the solute in a solution?

Back

The solute is the substance that is dissolved in the solvent. For example, in a sugar-water solution, sugar is the solute.

Front

What factors increase the rate of dissolving for solids?

Back

1. Stirring the solution 2. Increasing the temperature 3. Increasing the surface area of the solute

Front

What action will NOT increase the rate of dissolution for solids?

Back

Decreasing the temperature will NOT increase the rate of dissolution.

Front

Which cup of sugar particles will dissolve the fastest: large, medium, or small?

Back

Cup 3 with small sugar particles will dissolve the fastest because smaller particles have a larger surface area.

Front

What types of substances can be dissolved in water?

Back

Substances like salt and sugar can be dissolved in water, while sand and black pepper powder generally do not dissolve.

Front

What happens to the rate of dissolving when the temperature increases?

Back

The rate of dissolving generally increases when the temperature increases because particles move faster.

Front

How does stirring affect the rate of dissolving?

Back

Stirring increases the rate of dissolving by distributing the solute particles throughout the solvent more quickly.

Front

What is an example of a solute?

Back

An example of a solute is table salt (sodium chloride) when it is dissolved in water.

Front

What is an example of a solvent?

Back

An example of a solvent is water, which can dissolve many substances.