Solutions Test Review

What is the term that best describes the ration between solute and solvent?

• Multiple Proportions
• Concentration
• Surface Tension
• Polarity

Tags

NGSS.HS-PS1-5

What property of water is responsible for a skilled chemistry student being able to float a paperclip on top of water?

• High surface tension
• Low surface tension
• High concentration
• Low concentration

A lab student adds salt to water.  What is the solvent?

• salt
• water
• the mixture that forms when salt and water are mixed

Tags

NGSS.HS-ESS2-5

What do you call the mixture that forms when salt dissolves in water?

• solute
• solvent
• solution
• isotope

If a solution has the ability to dissolve more salt, it is classified as _______________.

• supersaturated
• saturated
• unsaturated
• monosaturated

What are the units used to describe formula mass or molar mass?

• grams
• moles
• M
• grams/mole

Tags

NGSS.HS-PS1-7

The unit for molarity is ________ and it is used to describe the ____________ of a solution.

• Mole, Polarity
• Mole, Concentration
• M, Polarity
• M, Concentration

If a student wants to increase the concentration of a solution, the easiest thing to do is ...

• add more solvent

• add more solute

• remove some solvent

• remove some solute

Tags

NGSS.HS-PS1-5

What will happen to the concentration if more solvent is added to the solution?

• the concentration will increase
• the concentration will decrease
• the concentration will remain the same

If a question asks you to solve for molarity, the unit will be _____.

• m
• M
• moles
• grams/mole

Tags

NGSS.HS-PS1-5