Strong vs Weak Acids and Bases

HBr is a strong acid and HF is a weak acid. Which of the following statements is true?

• HBr would partially dissociate.

• They both have the same pH.

• HBr has a lower pH than HF.

• HBr has a higher pH than HF.

The following solution represents a...

• strong acid

• strong base

• weak acid

• weak base

Tags

NGSS.HS-PS1-1

The following solution represents a...

• strong acid

• strong base

• weak acid

• weak base

Tags

NGSS.HS-PS1-3

H₂SO₄ has a molar concentration of 1 x 10^-3 M. What is the [H⁺] after it completely dissociates in water.

• 1 x 10^-3 M

• 2 x 10^-3 M

• 3 x 10^-3 M

In which scenario could a weak acid have a lower pH than a strong acid?

• diluted weak acid vs concentrated strong acid

• concentrated weak acid vs diluted strong acid

• diluted weak acid vs diluted strong acid

• concentrated weak acid vs concentrated strong acid

HCl is a strong acid and H₂CO₃ is a weak acid. Which acid is a better conductor of electricity?

• HCl

• H₂CO₃

Tags

NGSS.HS-PS2-5