AKS 6 - Solubility & Acids/Bases

AKS 6 - Solubility

Multiple Choice

Solutes dissolve quicker in _________ water.

• cold

• warm

Multiple Choice

Solutes dissolve quicker if you stir them.

• true

• false

Multiple Choice

• solute

• solvent

Multiple Choice

• solvent

• solution

• solute

Multiple Choice

solute + solvent =

• solution

• equation

Multiple Choice

Water is the universal ____.

• solute

• solvent

• solution

Multiple Choice

An unsaturated solution is one that....

• contains the maximum amount of dissolved solute.
• contains less solute than a saturated solution.
• contains more solute than a saturated solution.
• is the amount of a substance required to form a saturated solution.

Multiple Choice

A supersaturated solution is one that....

• contains the maximum amount of dissolved solute.
• contains less solute than a saturated solution.
• contains more solute than a saturated solution.
• is the amount of a substance required to form a saturated solution.

Multiple Choice

What does it mean to be "Soluble" ?

• Capable of being a solid.
• To have soul.
• Capable of being dissolved.
• To sink.

Multiple Choice

When no more solute dissolves the solution is _________

• supersaturated

• unsaturated

• saturated

• supercalifragilisticexpialidocious

Multiple Choice

The substance being dissolved is called the ________

• solvent

• solid

• solute

• solvate

Multiple Choice

The substance being dissolved is called the ________

• solvent

• solid

• solute

• solvate

Multiple Choice

Which solution is more concentrated?

Solution 1:

20 mL of water

5 g of salt

Solution 2:

20 mL of water

10 g of salt

• Not enough information to tell

• Solution 1

• Solution 2

• They are equally concentrated

Multiple Choice

Which solution is more diluted?

Solution 1:

1000 mL of water

60g of salt

Solution 2:

500 mL of water

60 g of salt

• Not enough information to tell

• Solution 1

• Solution 2

• They are equally diluted

Multiple Choice

What is the percent by mass of a sugar solution where 10 grams of sugar is added to 100 grams of water?

• .10%

• 0.091%

• 9.1%

Multiple Choice

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

• KNO3

• KBr

• NaCl

• Yb2(SO4)3

Multiple Choice

How much C₁₂H₂₂O₁₁ solute is saturated at 40 degrees?

• 240

• 220

• 230

• 250

Multiple Choice

How much KNO₃ solute is saturated at 40 degrees?

• 75

• 55

• 65

• 85

Multiple Choice

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

• Add solvent

• Add solute

Multiple Choice

Determine the solubility for the substances at 55'C and arrange them in order from lowest to highest solubility.

• NaCl, NH4Cl, KBr, NaNO3

• NaCl, NH4Cl, NaNO3, KBr

• NH4Cl, NaCl, NaNO3, KBr

• NaNO3, KBr, NH4Cl, NaCl

Multiple Choice

The solubility of Yb2(SO4)3 ________________ with added temperature.

• increases

• decreases

• remains the same

Multiple Choice

pH is the measure of the concentration of ______.

• Acids

• H+ ion

• OH- ion

• Bases

Multiple Choice

Any substance that produces hydroxide ions in water is known as _____________.

• an acid
• a hydrogen ion
• a base
• a neutral

Multiple Choice

When dissolved in water, acids produce:

• bases
• salts
• hydrogen ions
• hydroxide ions

Multiple Choice

Which is a characteristic of a base?

• tastes sour

• found mostly in foods

• feels slippery

• turn litmus paper red

Multiple Choice

A sour taste is a characteristic of:

• acids

• bases

• neutral

• pH scale

Multiple Choice

At what location on the pH scale can you find acids?

• number 7 on the pH scale is acidic
• below 7
• above 7
• you can find acids all throughout the scale

Multiple Choice

What color does litmus paper turn in the presence of an acid?

• blue
• black
• green
• red

Multiple Choice

Since some acids seemingly "eat away" certain substances, acids are ____.

• bitter
• sliipery
• corrosive
• weak

Multiple Choice

A substance that is 3 on the pH scale would be a(n):

• acid

• base

• neutral

• solute