Acids and Bases

Tastes bitter

• Acids
• Bases
• neutral 
• All

Tastes sour

• Acids
• Bases
• Salts
• All

Forms hydroxide ions (OH^-) in water

• Acids
• Bases
• All

pH greater than 7.

• Acids
• Bases
• All
• pure water

pH less than 7.

• Acids
• Bases
• All

The pH of a solution is 2.0.  What is the [OH^-] concentration?

• 1x10^-12M
• 12 M
• 1x10^-2M
• 2 M

The pH of a 0.001 M solution of HCl is 

• 11
• 3
• -3
• -11

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

• HCl/OCl^-
• H₂SO₄/SO₄^2-
• NH₄⁺/NH₃
• H₃O⁺/OH^-

The pH of a solution at 25^ₒC in which [OH-] = 3.9 x 10^-5M is:

• 4.41
• 3.90
• 9.59
• 4.80

Calculate the pH of a 0.47M NH₃ (K_b = 1.8 x 10^-5) solution.

• 2.54
• 8.93
• 13.67
• 11.46