Acid and Antifreeze Concentration Problems

The video tutorial explains volume percentage concentration, defining key terms like solute, solvent, and solution. It provides examples of solutions such as salt water, vinegar, and bronze. The tutorial details how to calculate volume percentage concentration using a formula. Two examples are given: calculating antifreeze concentration in a radiator and acid concentration in mixed solutions. The tutorial concludes with a summary of the calculations and results.

What is a solute in a solution?

• The final mixture

• The substance that is dissolved

• The liquid that dissolves the solute

• The substance in the larger amount

Which of the following is an example of a solvent?

• Bronze

• Water

• Vinegar

• Salt

How do you calculate the volume percentage concentration?

• Divide the volume of solvent by the volume of solute and multiply by 100%

• Divide the volume of solute by the volume of solution and multiply by 100%

• Divide the volume of solution by the volume of solute and multiply by 100%

• Divide the volume of solute by the volume of solvent and multiply by 100%

In the antifreeze example, what is the total volume of the solution?

• 3 liters

• 5 liters

• 7 liters

• 2 liters

What is the volume percentage concentration of antifreeze in the radiator example?

• 40%

• 30%

• 20%

• 50%

In the acid mixing example, what is the total volume of the mixed solution?

• 1600 milliliters

• 1200 milliliters

• 800 milliliters

• 400 milliliters

What is the volume percentage concentration of acid in the final mixed solution?

• 25%

• 30%

• 35%

• 40%

If a solution has 25% acid, what percentage is the solvent?

• 100%

• 75%

• 50%

• 25%

What is the volume of acid in the 400 milliliters of 25% acid solution?

• 50 milliliters

• 100 milliliters

• 200 milliliters

• 150 milliliters

In the acid mixing example, what is the volume of acid in the 800 milliliters of 40% acid solution?

• 400 milliliters

• 300 milliliters

• 320 milliliters

• 200 milliliters