Solutions H

This is the part of a solution that dissolves

• Solute
• Solvent
• Solution
• Mixture 

The concentration of a mixture can be increased in which of the following ways?

• Heating the mixture
• Adding more water “solvent”
• Adding more powder “solute”
• Stirring the mixture

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

air is a 

• compound
• element
• heterogeneous mixture
• solution

what a solute dissolves in

• solvent
• mixture
• solute

Which of these is a correct colligative property

• Boiling point depression

• Freezing point elevation

• Vapor pressure lowering

• Vapor pressure elevation

Colligative properties depend on the _____ of solute particles in solution.

• type
• number
• pH
• nature

The boiling point of a solution is ___________ that of a pure solvent

• more than

• less than

• equal to

Which of the following 1M solutions will have the LOWEST boiling point?

• NaCl (aq)

• C₆H₁₂O_{6 (aq)}

• K₃PO₄ (aq)

• Cu(NO₃)₂ (aq)

Amount of ion in CaCl₂ is ...

• 1

• 2

• 3

• 4

What observation(s) reflect(s) colligative properties?
I. A 0.5 m NaBr soln has a higher vapor pressure than 0.5 m BaCl₂ soln.
II. A 0.5 m NaOH soln freezes at a lower T. than pure water.
III. Pure water freezes at a higher T than pure methanol.

• only I
• only II
• only III
• 1 & II