Unit 12 & 13 Test

What is significant about non- volatile solutes?

• depress freezing point and elevate boiling point
• depress boiling point and elevate freezing point
• depress both boiling and freezing point
• elevate both boiling and freezing point

which crystals will dissolve the slowest?

• Large, unstirred crystals
• Large, stirred crystals
• Small, unstirred crystals
• Small, stirred crystals

which crystals will dissolve the quickest?

• Large, unstirred crystals
• Large, stirred crystals
• Small, unstirred crystals
• Small, stirred crystals

If there are more H+ solution than OH- solution in a mixture, the mixture is ________

• acidic
• basic
• both
• neither

If there are more OH- solution than H+ solution in a mixture, the mixture is ________

• acidic
• basic
• both
• neither

If the H+ = 5.42 x 10-8 M what is the pH of the solution?

• 10.6
• 4.3
• 5.9
• 7.27

If the H+ = 5.42 x 10-8 M and you found the pH, is it acidic, basic, or neutral?

• acidic
• basic
• neutral

If the OH- = 6.23 x 10-11 M what is the pOH?

• 5.1
• 10.2
• 20.4
• 4.6

In a neutral solution the pOH is always equal to ___.

• 0
• 7
• 14
• 2

The substance that dissolves in a solution is called the ____.

• Solvent
• Solute
• Solubility
• Water