Unit 11 (Solubility) Test Review

Poll

How confident do you feel about this test? (On a scale of 1-5)

• 1 - I am NOT prepared. I have questions I am going to ask Mrs. Vukas during class today.

• 3 - I need to study / review but overall I feel okay

• 5 - I'm ready! This is easy!

Open Ended

Explain the difference between homogeneous and heterogeneous mixtures.

Multiple Choice

What are the main factors that affect solubility?

• Pressure, Temperature, Solute-Solvent Interactions

• Volume, Mass, Density

• Color, Odor, Taste

• Shape, Size, Texture

Drag and Drop

When temperature increases, the solubility of a ​ gas

Placeholder

. When temperature increases, the solubility of a ​solid ​

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.

Drag these tiles and drop them in the correct blank above

increases

decreases

is not affected.

also increases

also decreases

Multiple Choice

What is the relationship between pressure (above a solvent) and solubility as it relates to gases?

• Direct relationship

• Inverse relationship

• No relationship

• Depends on temperature

Categorize

Options (15)

$$H_2O$$  

$$NH_3$$  

CO

HF

$$F_2$$  

$$C_3H_8$$  

$$CO_2$$  

NaCl

KBr

MgO

$$CaF_2$$  

$$Li_2O$$  

$$H_2$$  

OF

$$C_5H_{10}$$  

Categorize each compound as being polar, nonpolar, or covalent.

Polar compounds

Non polar compounds

Ionic compounds

Multiple Choice

Which of the following will dissolve in water?

• CH4

• CO2

• KBr

• Br2

Multiple Choice

Each line on the solubility graph represents what kind of solution?

• Saturated

• Unsaturated

• Supersaturated

• Dilute

Multiple Choice

Which substance is MOST soluble at 0 ºC?

• KClO₃

• NaNO₃

• NaCl

• Ce₂(SO₄)₃

Multiple Choice

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

Multiple Choice

How many grams of CaCl₂, are soluble in 100 g of water at approximately 17 ºC?

• 58 grams

• 70 grams

• 0 grams

• 12 grams

Multiple Choice

What is the formula for molarity?

• moles/grams
• moles/kilograms
• moles/milliliters
• moles/liters

Multiple Choice

Which solution is more concentrated?

Solution 1:

500 mL of water

100 g of salt

Solution 2:

500 mL of water

90 g of salt

• Solution 1

• Solution 2

• They have the same concentration

• I have no idea

Multiple Choice

What is the molarity of 4 g of NaCl (MM=58.45) in 3,800 mL of solution?

• 0.018 M
• 0.0011 M
• 1.052 M
• 0.062 M

Multiple Choice

How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?

• 7.5 mL

• 15 mL

• 1333 mL

• 200 mL

Multiple Choice

If I have 340 mL of a 0.5 M NaBr solution, what will the concentration be if I add 560 mL more water to it?

• .188 M

• 3.78 M

• .389 M

• 1.76 M

Multiple Choice

Which of the following substances is most acidic according to the pH scale?

• Lemon

• Milk

• Soap

• Egg White

Multiple Choice

Which of the following substances is most basic according to the pH scale?

• Lemon

• Milk

• Soap

• Egg White