Unit 8: Acids and Bases

Showing 20 of 27 questions

Q1
GRID_INMedium

What is the pH of a 0.010 M HCl solution?

Q2
MULTIPLE_CHOICEHard

A 0.10 M solution of a weak acid HA has a pH of 3.0. What is the Ka of HA?

Q3
MULTIPLE_CHOICEMedium

Which of the following is a conjugate acid-base pair?

Q4
MULTIPLE_CHOICEHard

The Ka for acetic acid (CH₃COOH) is 1.8 × 10⁻⁵. What is the pH of a 0.10 M acetic acid solution?

Q5
MULTIPLE_CHOICEMedium

A buffer solution is prepared by mixing equal moles of acetic acid and sodium acetate. The pH of this buffer is closest to the

Q6
MULTIPLE_CHOICEHard

During the titration of 25.0 mL of 0.100 M weak acid HA (Ka = 1.0 × 10⁻⁵) with 0.100 M NaOH, the pH at the half-equivalence point is

Q7
MULTIPLE_CHOICEMedium

An aqueous solution of sodium acetate (NaCH₃COO) has a pH that is

Q8
MULTIPLE_CHOICEHard

What is the Kb of the acetate ion (CH₃COO⁻) if the Ka of acetic acid is 1.8 × 10⁻⁵?

Q9
MULTIPLE_CHOICEMedium

A buffer solution resists changes in pH because it:

Q10
MULTIPLE_CHOICEHard

The pH at the equivalence point of a weak acid-strong base titration is:

Q11
MULTIPLE_CHOICEMedium

Strong acids completely:

Q12
MULTIPLE_CHOICEHard

The Henderson-Hasselbalch equation, [math], is used to:

Q13
MULTIPLE_CHOICEEasy

The conjugate base of water ([math]) is:

Q14
MULTIPLE_CHOICEHard

At the half-equivalence point of a weak acid titration:

Q15
MULTIPLE_CHOICEMedium

The [math] (ion product of water) equals:

Q16
MULTIPLE_CHOICEEasy

What is the pH of the 0.010 M HCl solution?

Q17
MULTIPLE_CHOICEHard

Which acid has the highest pH at 0.10 M concentration?

Q18
MULTIPLE_CHOICEMedium

What is the pH of this buffer solution?

Q19
MULTIPLE_CHOICEHard

At the half-equivalence point, what is the pH of the solution?

Q20
MULTIPLE_CHOICEMedium

Which conjugate base is the strongest?

Advertisement