Percent Concentration of Solutions

What is the volume of a 25% methyl solution that contains 20mL of methyl?

• 6.25mL

• 7.25mL

• 8.25mL

• 9.25mL

How many grams of glucose are needed to prepare 400mL of 5% glucose solution?

• 5g

• 10g

• 14g

• 20g

Which solution is more concentrated?

• 20 g salt in 50 milliliters of water

• 40 g salt in 50 milliliters of water

• 30 g salt in 50 milliliters of water

• 10 g salt in 50 milliliters of water

What would you do to make a solution more concentrated?

• add more solvent

• add more solute

• add more solvent and solute

• pour some of the solution out

To make a Kool-Aid solution less concentrated, which would you do?

• add more solute

• add more solvent

• pour out some of the Kool-Aid

• add more solvent AND solute

Which is the most concentrated solution?

• 20 g of salt in 200 ml of water

• 50 g of salt in 100 ml of water

• 10 g of salt in 200 ml of water

• 20 g of salt in 100 ml of water

The amount of solute actually dissolved in a given amount of solvent.

• dilution

• concentration

• saturated solution

• supersaturated mixture

You can make a solution more concentrated by adding __________.

• solute

• solvent

• water

The _____is the part that gets dissolved. 

• solute 

• solvent 

• solution 

• Sacajawea 

What is the percent concentration of a solution that contains 15g of salt in 85g of water?

• 15%

• 17.6%

• 20%

• 25%