Chem Comm ~ Solutions ~ through Rates of Dissolving

These are all ways to make a solution dissolve FASTER. Choose all that apply.

• Stirring

• Use cold water

• Use small particles

• Shaking

In a glass of lemonade, what is the solvent?

• Water

• Lemonade powder

In a glass of lemonade, what is the solute?

• Water

• Lemonade Powder

What is typically the LIQUID part of a solution?

• Solvent

• Solute

• Concentration

What makes a solution LESS concentrated?

• Less solvent

• More solvent

• Less solute

• More solute

What is typically the SOLID part of a solution?

(Think the powdered kool-aid added to the water)

• Solvent

• Solute

• Solution

• Concentration

Stirring will make a solute dissolve slower.

• True

• False

Hot water will dissolve a solute faster than cold water.

• True

• False

The smaller the particle size the faster the rate of dissolution (rate of dissolving).

• True

• False

Which of the following statements is true about how using smaller salt crystals would affect the rate of making a salt solution in water?

• Smaller crystals increase the surface area and slow down dissolving.
• Smaller crystals decrease the surface area and speed up dissolving.
• Smaller crystals increase the surface area and speed up dissolving.
• Smaller crystals decrease the surface area and slow down dissolving.