Concentration of Solutions P.5.5B.2

Which solution is more concentrated?

• 50 grams of sugar in 100ml water

• 75 grams of sugar in 100ml water

• 25 grams of sugar in 100ml water

• 60 grams of sugar in 100ml water

Which solution is more concentrated?

• 20g salt in 50 milliliters of water

• 40g salt in 50 milliliters of water

• 30g salt in 50 milliliters of water

• 10g 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

Which action would NOT change the concentration of a solution at all?

• Adding more solvent

• Pouring out some of the solution

• Evaporating some of the solute

• Removing some solvent

Which statement is true about a solution of saltwater?

• The water is the solvent

• The salt and water are solutes

• The salt is the solvent

• The water is the solute

If you make a solution of Kool-Aid and it is too concentrated, what would be true about its taste?

• It would be too watery

• It would taste just right

• It would be too sugary

• It would be too salty

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

Tags

NGSS.MS-PS1-2

What could you do to increase the concentration of a solution?

• Pour out some of the solution

• Add more solvent

• Pour it into a larger container

• Add more solute

Which statement is true?

• To make a solution more concentrated, more solvent is added

• To make a solution less concentrated, more solvent is added

• To make a solution more concentrated, less solvent AND solute are added

Which is true about the rate of a solute dissolving?

• Solutes dissolve slower in a hot solvent

• Solutes dissolve faster when not stirred

• Smaller particles dissolve faster

• Larger particles in cold solvent dissolve faster

Tags

NGSS.MS-PS1-4