Warm Up, Acid Base Review

HCO₃^- + H₂O → H₃O⁺ + CO₃^2-

Water is acting as

• a Bronsted Lowry base

• a Bronsted Lowry acid

• a strong acid

• a weak acid

What is the conjugate base of H₂SO₄?

• SO₄^2-

• H₂SO₃

• HSO₃^1-

• HSO₄^1-

Many cleaning solutions are bases. Which of the following is a property of most bases?

• feels slippery

• white color

• can only be liquid

• tastes sour

Which reaction is NOT a neutralisation reaction

• Metal + acid

• Acid + Base

• Acid + Metal Carbonate

Complete the following reaction:
Sulphuric acid + sodium carbonate
--> 

• Carbon dioxide + water 
• calcium carbonate + water + carbon dioxide 
• Sodium sulphate + water + carbon dioxide 
• Sodium chloride + water + carbon dioxide 

Tags

NGSS.MS-PS1-2

The following is true on pH EXCEPT

• pH is power of hydrogen
• pH is -log₁₀ of hydrogen ion concentration
• High H⁺ concentration lead to a low pH
• 1 unit change in pH is 100 fold change in concentration

WHen 200 mL of 2.0 M NaOH(aq) is added to 500 mL of 1.0 M HCl(aq), the pH of the resulting mixture is closest to

• basic

• acidic

• neutral

• can not be determined

What is the volume in this burette?

• 24.1mL
• 24.3mL
• 24.2L
• 24.2mL

I have 25mL of 1M HCl which neutralises 20mL of NaOH. What is the concentration of the NaOH?

• 0.8 M
• 1 M
• 1.25 M

Tags

NGSS.HS-PS1-7

A 50.0 mL sample of Ca(OH)₂ is neutralized by 300.0 mL of HCl solution with a pH of 3. Calculate the molarity of the Ca(OH)₂ solution.

• 0.06 M

• 0.30 M

• 0.006 M

• 0.003 M