CLICKER REVIEW Acids and Bases

Name this piece of glassware that was used in your macro-titration lab. Beaker Dogancay dish Glass thingy Erlenmeyer flask Sippy cup

Name this piece of glassware that was used in your macro-titration lab Tube thingy Pipette Buret Acid dispenser Moss covered family credenza

What is the name of the part that controls the flow of acid/base out of the buret? Gas valve Stop cock On/off switch Toggle switch Open/close thingy

What piece of safety equipment did Beaker forget to wear today? earrings noserings goggles Low-rise jeans sunglasses

What is the name of the point where acid just barely neutralizes a base in a titration. Hint: the solution will look light pink if phenolthalein has been added. Bomb-digity Pink perfection Acid point End point

In the reaction, NH4+ + H2O   NH3 + H3O+, water is acting as a(n): A) Arrhenius acid C) Bronsted-Lowry acid B) Arrhenius base D) Bronsted-Lowry base

In the reaction, CO32- + H2O   HCO3- + OH-, the carbonate ion (CO32-) is acting as a(n): A) Arrhenius acid C) Bronsted-Lowry acid B) Arrhenius base D) Bronsted-Lowry base

If the hydrogen ion concentration is 1 x 10-10 M, what is the nature of the solution? A) acidic B) basic C) neutral

A solution in which the hydroxide ion concentration is 1 x 10-3 M is:   A solution in which the hydroxide ion concentration is 1 x 10-3 M is: A) acidic B) basic C) neutral

Which of these solution is the MOST acidic? A) [H+] = 1 x 10-5 M C) [H+] = 1 x 10-10 M B) [OH-] = 1 x 10-12 M D) [OH-] = 1 x 10-8 M

In a neutral solution, the [H+] is: A) 1 x 10-14 M B) zero C) 1 x 107 M D) equal to [OH-]

If the hydrogen ion concentration is 1 x 10-11 M, what is the pH of the solution? A) 1 B) 4 C) 7 D) 11

  If the hydroxide ion concentration is 1 x 10-12 M, what is the pH of the solution? A) 1 B) 2 C) 12 D) 14

Which of these is an Arrhenius base? A) LiOH B) NH3 C) H2PO4- D) H2O

Which of the following is a Bronsted-Lowry base, but not an Arrhenius base? A) NaOH B) Ca(OH)2 C) NH3

What products result from a neutralization reaction? A) acids and bases C) a salt and water B) water only D) polar covalent compounds

What is the normality of a 2.0 M solution of phosphoric acid (H3PO4)? A) 0.67 N B) 1.5 N C) 1.0 N D) 4.0 N E) 6.0 N

Which of the following is a property of an acid? A) sour taste C) strong color B) non-electrolyte D) slippery feel

Which of these is a property of a base? A) non-electrolyte C) sour taste B) water feel D) bitter taste

What pair listed below represents a Bronsted-Lowry acid & conjugate base in this reaction? CN- + H2O   HCN + OH-   CN- and H2O B) H2O and HCN C) CN- and HCN D) H2O and OH-

Titrations - $100 How much 1.50 M NaOH is necessary to exactly neutralize 20.0 mL of 2.50 M H3PO4? 100. mL BACK

Titrations - $200 In a micro-titration lab, how many drops of 0.12 M NaOH will exactly neutralize 6 drops of 0.10 M HCl? 5 BACK

Titrations - $300 How much 0.50 M HNO3 is necessary to titrate 25.0 mL of 0.05 M Ca(OH)2 solution to the endpoint? 5.0 mL BACK

Titrations - $500 What is the molarity of a NaOH solution if 15.0 mL is exactly neutralized by 7.5 mL of a 0.02 M HC2H3O2 solution? 0.01 M BACK

Titrations - $1000 If you found that the unknown concentration of an acid is 0.791 M, and the literature value of the acid concentration is 0.821 M, then what is your percent error? 3.65% BACK

pH and pOH - $100 What is the pOH of a solution with a pH of 6? 8 BACK

pH and pOH - $200 What is the pH of a 0.01 M solution of HCl? 2 BACK

pH and pOH - $300 What is the pH of a 3.0 M solution of HF that has a 10.0% dissociation? 0.52 BACK

SALT + WATER pH and pOH - $500 What two substances are formed when an acid reacts with a base? SALT + WATER BACK

pH and pOH - $1000 What two products are formed when HC2H3O2 reacts completely with NaOH? NaC2H3O2 + H2O BACK