This test will cover EVERYTHING that you have learned on this website:
Question 1: OH- = 3.31e -8. Find H+ pH and pOH.
pOH =
|
OH- =
|
H+ =
|
Question 2: What is the maximum amount of acid and base that can be added to a buffer made by the mixing of 0.71 moles of sodium hydrogen carbonate with 0.24 moles of sodium carbonate without there being a significant change in pH?
Acid:
|
Base:
|
Question 3: What are four indicators that are used to determine weather a solution is acidic, neutral, or basic?
Question 4: Explain two of the three theories of acids and bases.
Acids:
|
Bases:
|
Question 5: What is the definition of a buffer?
Question 6: Which of the following is a weak acid?
a) Hydrochloric acid
b) Sulfuric acid
c) Hydrofluoric acid
d) Nitric acid
Question 7: Which of the following is a weak base?
a) Sodium hydroxide
b) Calcium hydroxide
c) Ammonia
d) Potassium Hydroxide
Question 8: Which of the following acids are found in coffee?
a) Acetic acid (CH₃COOH)
b) Chlorogenic acid (C₁₆H₁₈O₉)
c) Sulfuric acid (H₂SO₄)
d) Hydrochloric acid (HCl)
Question 9: Which of the following bases are found in drain cleaner?
a) Sodium hydroxide (NaOH)
b) Sodium dithionite (NA₂S₂O₄)
c) Ammonium hydroxide (NH₄OH)
d) Sulfuric acid (H₂SO₄)
Question 10: What indicator is used for titrations?
a) Hydrochloric acid
b) Sulfuric acid
c) Hydrofluoric acid
d) Nitric acid
Question 7: Which of the following is a weak base?
a) Sodium hydroxide
b) Calcium hydroxide
c) Ammonia
d) Potassium Hydroxide
Question 8: Which of the following acids are found in coffee?
a) Acetic acid (CH₃COOH)
b) Chlorogenic acid (C₁₆H₁₈O₉)
c) Sulfuric acid (H₂SO₄)
d) Hydrochloric acid (HCl)
Question 9: Which of the following bases are found in drain cleaner?
a) Sodium hydroxide (NaOH)
b) Sodium dithionite (NA₂S₂O₄)
c) Ammonium hydroxide (NH₄OH)
d) Sulfuric acid (H₂SO₄)
Question 10: What indicator is used for titrations?
Question 11: Name 5 properties for both acids and bases:
Acids:
|
Bases:
|
Question 12: Complete the equation: H2SO4 + NaOH --->
Question 13: What color does blue litmus paper turn in acid?
a) Stays blue
b) Turns red
c) Turns bright pink
Question 14: If there was 16 liters of a substance with 8 moles of a solute the molarity would be:
a) 2
b) 0.2
c) 5
d) 0.5
Question 15: What produces salt + water + carbon dioxide ?
a) Acid + base
b) Acid + metal
c) Acid + metal carbonate
d) Acid + alkali
Question 16: What is the equation to determine the molarity of a substance in a titration?
Question 17: pH = 3.87 Find H+, OH- and pOH.
pOH =
|
OH- =
|
H+ =
|
Question 19: What is the conjugate acid of the following equation: HCO₂H + OH- --> H₂O + CO₂H⁻
a) HCO₂H
b) OH⁻
c) H₂O
d) CO₂H⁻
a) HCO₂H
b) OH⁻
c) H₂O
d) CO₂H⁻
Question 20: What is the definition of a conjugate base: