VHCC Chapter 15 Acids and Bases

Which of these pH values would indicate that a solution is a weak base?

• 4
• 5.6
• 8
• 13

When dissolved in water, acids produce:

• bases
• salts
• hydrogen ions
• hydroxide ions

Tags

NGSS.MS-PS1-2

Which of the following is true about acids and bases?

• The lower the pH, the stronger the acid
• the higher the pH, the stronger the acid
• The lower the pH, the more neutral the acid
• The higher the pH, the weaker the base

What is the conjugate acid of HCO₃^1-?

• CO₃

• H₂CO₃

• CO₃^2-

• H₂CO₃^2-

Estimate the pH of a 1.5 x 10^-8 M solution of HCl.

• 5.85

• 7.85

• 8.15

• 9.5

Estimate the pH of a barium hydroxide solution with a concentration of 2.5 x 10^-2 M. Assume complete dissociation.

• 12.4

• 1.75

• 1.6

• 8.5

Which of these "HOY" acids is the weakest?

• HOCl

• HOI

• HOBr

• All of these are equally strong.

Which of these is the strongest Bronsted base?

• F^-

• Cl^-

• Br^-

• I^-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the conjugate base of HClO₄?

• H⁺

• Cl^-

• ClO₃^-

• ClO₄^-

What is the closest pH to a solution with a [H⁺] = 2.5 x 10^-10?

• 2.5

• 3.0

• 4

• 9.6