Acids and Bases Review

Which of the following is a property of bases?

• a pH < 7
• slippery feel
• tart or sour taste
• corrosive to metals

Which of the following is a property of an acid?

• pH > 7
• turns litmus paper blue
• tart or sour taste
• corrosive to organic materials

What is the name of Mg(OH)₂

• magnesium hydroxide acid
• hydromagnesium acid
• magnesium oxygen hydride
• magnesium hydroxide

Tags

NGSS.MS-PS1-1

What is the pH of a solution if [H⁺] = 6.0 x 10^-10 M?

• 3.45
• 6.25
• 9.22
• 11.34

What is the pH of a solution if [H⁺] = 1.0 x 10^-5M?

• 5.00

• 7.00

• 9.00

• 11.00

What is the [H⁺] of a solution if the pH = 5.60?

• 1.25 x 10^-3 M
• 1.25 x 10^-6 M
• 2.51 x 10^-3 M
• 2.51 x 10^-6 M

What is the pH of a solution of 0.0050 mol of HBr in 2.500 L of water?

• 1.35
• 2.70
• 5.68
• 8.25

Which one of the following solutions is the most acidic?

• [H⁺] = 2.4 x 10^-6 M

• [H⁺] = 9.8 x 10^-4 M

• [H⁺] = 4.2 x 10^-7 M

• [H⁺] = 1.7 x 10^-12 M

Predict the products for the following reaction:
LiOH + H₂SO₄ -->

• LiSO₄ + HOH
• LiSO₄ + H₂(OH)
• Li₂SO₄ + HOH
• Li₂SO₄ + H₂(OH)

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many moles of potassium hydroxide are needed to completely neutralize 0.75 mol of phosphoric acid? The balanced equation is:
H₃PO₄ + 3KOH --> K₃PO₄ + 3H₂O

• 0.75 mol
• 2.25 mol
• 0.25 mol
• 0.375 mol