Solutions Regents Chemistry

At 30'C, which substance has the lowest solubility?

• KNO3

• KBr

• NaCl

• Yb2(SO4)3

At 10'C, NaNO3's solubility is 80 g/100 g of H2O. Based on this information, what would the solubility be in 50 g of H2O.

• 40

• 80

• 160

• 16

Identify how many grams of KNO3 is required to make a saturated solution at 40'C.

• 50 g

• 45 g

• 60 g

• 33 g

Tags

NGSS.HS-PS3-4

How could you change a saturated solution to an unsaturated solution?

• Add solvent

• Add solute

Identify the saturation associated with the product of this experiment.

• Unsaturated

• Saturated

• Supersaturated

Identify the saturation associated with the product of this experiment.

• Unsaturated

• Saturated

• Supersaturated

What is a solvent

• A liquid that will dissolve a solid solute

• Another word for solution

• A thing that make drinks change colour

• Usually the solid about to be dissolved

If I dissolve sugar in water, what is the solute?

• Water
• Hydrogen
• Sugar
• Carbon

If I dissolve carbon dioxide in water, what is the solvent?

• Carbon Dioxide

• There is no solvent

• Oxygen

• Water

When a solvent contains as much of the solute as it can hold, the solution is said to be

• supersaturated
• diluted
• saturated
• unsaturated