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Hydrolysis of Salts—Acidic, Basic or Neutral? Chemical Demonstration Kit

By: John Wass, Western Branch H.S., Chesapeake, VA

Hydrolysis of Salts Chemical Demonstration Kit
acids, bases, acidic, basic, acid-base indicators
petri dishes, stirrers, overhead projector
hydrloysis of salts, water, salts, universal indicator
Hydrolysis of Salts Chemical Demonstration Kit
acids, bases, acidic, basic, acid-base indicators
petri dishes, stirrers, overhead projector
hydrloysis of salts, water, salts, universal indicator
Item #: AP6187 

Price: $31.60

In Stock.

With the Hydrolysis of Salts Chemical Demonstration Kit Acids, teach students that certain salts dissolve in water to produce acid solutions and others produce basic solutions. Using universal indicator, show students a colorful pH rainbow.

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Product Details

Acids are acidic, bases are basic, and salts are neutral—right? Not exactly! Teach your students that certain salts dissolve in water to produce acid solutions and others produce basic solutions. Using universal indicator in Petri dishes displayed on the overhead projector, show your students a colorful pH rainbow—made from the simple hydrolysis of salts. Write and discuss the hydrolysis reactions for five different salts with water. A table of acid–base properties of common cations and anions in aqueous solutions is provided for your convenience. Teacher Demonstration Notes included.

Concepts: Acids and bases, pH, hydrolysis of salts.
Time Required: 10 minutes
Note: An overhead projector is recommended for this demonstration.

Specifications

Materials Included in Kit: 
Aluminum chloride, hexahydrate, 10 g
Ammonium chloride, 10 g
Sodium bicarbonate, 10 g
Sodium chloride, 10 g
Sodium phosphate, tribasic, 10 g
Universal indicator solution, 35 mL
Culture (petri) dish, 90 x 15 mm, 5
Wood splints, 35


Correlation to Next Generation Science Standards (NGSS)†

Science & Engineering Practices

Developing and using models
Constructing explanations and designing solutions

Disciplinary Core Ideas

MS-PS1.A: Structure and Properties of Matter
MS-PS1.B: Chemical Reactions
HS-PS1.A: Structure and Properties of Matter
HS-PS1.B: Chemical Reactions

Crosscutting Concepts

Systems and system models
Stability and change