Solutions

air is a 

• compound

• element

• heterogeneous mixture

• solution

When Koolaid mix is light colored and tastes watery it is a _______ solution.

• concentrated

• dilute

When a Koolaid mix in water is dark in color and very sweet it is a __________ solution.

• Concentrated

• Dilute

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

• supersaturated

• diluted

• saturated

• unsaturated

When 20 grams of potassium chlorate, KClO₃, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

• supersaturated

• saturated

• unsaturated

Tags

NGSS.MS-PS1-4

When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

• supersaturated

• unsaturated

• saturated

Tags

NGSS.MS-PS1-2

mixture of two or more substances; dissolved particles are spread evenly throughout the mixture

• solvent

• solute

• mixture

• solution

What property of water molecules makes water a universal solvent?

• Size

• Polarity

• Density

• Temperature

How does temperature generally affect the solubility of solid solutes in water?

• Increases solubility

• Decreases solubility

• Has no effect

• First increases then decreases

Tags

NGSS.MS-PS1-4

Which of the following solubility rules is correct?

• All carbonates are soluble

• All sulfates are insoluble

• All nitrates are soluble

• All hydroxides are soluble