Solutions and Acids & Bases

Acids

100

An acid is a compound that produces hydrogen ions in a solution. It has a pH in this range.

What is less than 7?

200

Acidic compounds have a  _____ taste?

What is sour?

300

ALL PLAY!

The Bronsted-Lowry definition of an acid.

What is a proton (or hydrogen) donor?

400

The most concentrated acid and the most dilute acid listed below:

• Apples – 3
• Water – 7 
• Borax – 9
• Milk – 6 
• Vinegar – 2 

What is vinegar (concentrated) and milk (dilute)?

500

Aqueous solutions of acids are__________, which conduct electricity. They can be STRONG or WEAK.

What are electrolytes?

Bases

100

A base is a compound that produces hydroxide ions in a solution. It has a pH in this range.

What is greater than 7?

200

If a base gets on your skin, this describes how it feels.

What is slippery?

300

This is how bases taste.

What is bitter?

400

ALL PLAY!

Arrhenius bases increase the number of  _______ ions when dissolved in water.

What is hydroxide ions or OH^- ions?

500

Molecule formed when a base gains a hydrogen ion is called this.

What is a conjugate acid?

pH

100

ALL PLAY!

This number represents a neutral pH and a neutral pOH.

What is 7?

200

The pOH of a substance with a pH of 5.25.

What is 8.75?

300

The pH of a 8.2 x 10^-5 M solution of HCl.

What is 4.09?

400

The pH of a solution of HCl is 2.85.  This is the [H+].

What is 0.0014 M (or 1.4 x 10^-3)?

500

This is the pH of a 0.00263 M solution of Ca(OH)₂.

What is 11.721?

Name that Acid

100

HBr

What is hydrobromic acid?

200

H₂SO₄

What is sulfuric acid?

300

ALL PLAY!

HNO₂

What is nitrous acid?

400

H₂CO₃

What is carbonic acid?

500

This acid is found in vinegar. HC₂H₃O₂

What is acetic acid?

Titrations

100

In a titration, these two substances are equal.

What are hydroxide ions [OH^-] and hydronium ions [H₃O⁺]?

200

What volume of 0.678 M NaOH is needed to neutralize 15.0 mL of 0.500 M HCl?

What is 11.1 mL?

300

What is the molarity of an HF solution if 25.0 mL of the acid is neutralized by 17.47 mL of a 0.750 M solution of LiOH?

What is 0.524M?

400

ALL PLAY!

What volume of a 0.250 M solution of H₂SO₄ is needed to neutralize 155 mL of a 0.835 M solution of KOH?

What is 259 mL?

500

ALL PLAY!!

What is the molarity of a Ca(OH)₂ solution if 50.00 mL of the solution is neutralized by 54.82 mL of 0.4560 M H₃PO₄?

What is0.750M ?