Concentration of Solutions

The solution has a large amount of solute in comparison to the amount of solvent.

• Diluted

• Soluble

• Miscible

• Concentrated

Tags

NGSS.HS-PS1-5

The beaker on the left is _______________ and the beaker on the right is _______________

• Soluble, insoluble

• Dilute, concentrated

• Concentrated, dilute

• 
  Insoluble, soluble

Tags

NGSS.MS-PS1-2

What does it mean to dilute a solution?

• To add more solute to increase the concentration of solvent.
• To add more solvent to decrease the concentration of solute.
• To remove the solvent and increase the concentration of solute.
• To mix two solutions of different concentrations.

Tags

NGSS.HS-PS1-5

• It is the amount of solute in a given in a given mass of solvent.

• Percent by mass

• Percent by volume

• Percent by weight

• Percent by liters

• The solution that has a small amount of solute for a certain volume of solvent.

• Diluted

• Soluble

• Concentrated

• Miscible

10 g of salt was dissolved in 500 g of water. Calculate the percentage by mass of salt in the solution.

• 3%

• 10%

• 1.9 %

• 6%

A one peso coin has a mass of 7.6 grams. What is the percent by mass of copper in a five peso coin containing 2.5 grams of copper?

• 100%

• 32%

• 35%

• 72%

What is the percent-by-mass concentration of sucrose in a solution made by dissolving 7.7 g of sucrose in 30.5 g of water?

• 5%

• 25%

• 75%

• 20%

A solution is prepared by dissolving 25 g of cane sugar in 90 g of water. Calculate the mass percent of each component of the solution.

• 17%

• 35%

• 19%

• 46%

What is the percentage by mass of a solution made by dissolving 0.49 g of potassium sulfate in 12.70 g of water?

• 2.1%

• 3.7%

• 3.9%

• 5.5%