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Ward's® Landfills and the Environment Lab Activity
Students Work with Miniature Landfills in Hands-On Investigation
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Barium Sulfate
CAS Number: 7727-43-7
Formula Weight: 233.43
Formula: BaSO4
Density (g/mL): 4.5
Boiling Point (°C): 1580
Freezing Point (°C): 1580
Solubility: Concentrated Sulfuric Acid
Synonyms: Sulfuric Acid Barium Salt (1:1)
Shelf Life (months): 36
Storage: Green
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Chlorine Water
CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Hazard Info: Toxic, Corrosive
Density (g/mL): 1.02
Boiling Point (°C): Decomposes
Freezing Point (°C): 0
Solubility: Water
Synonyms: Chlorine Test Solution
Shelf Life (months): 36
Storage: White
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Lithium Nitrate
CAS Number: 7790-69-4
Formula Weight: 68.94
Formula: LiNO3
Hazard Info: Oxidizer, Explosive
Density (g/mL): 2.38
Boiling Point (°C): Decomposes
Freezing Point (°C): 251
Solubility: Water and Alcohol
Synonyms: Lithium Salt
Shelf Life (months): 36
Storage: Yellow
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Sodium Chromate Anhydrous
CAS Number: 7775-11-3
Formula Weight: 161.99
Formula: Na2CrO4
Hazard Info: Toxic
Density (g/mL): 2.723
Freezing Point (°C): 792
Solubility: Water and Alcohol
Synonyms: Disodium Chromate(VI), Chromate of Soda
Shelf Life (months): 36
Storage: Blue
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Manganese(II) Sulfate Monohydrate
CAS Number: 10034-96-5
Formula Weight: 169.01
Formula: MnSO4·H2O
Hazard Info: Irritant
Density (g/mL): 2.95
Freezing Point (°C): 57-117
Solubility: Water
Synonyms: Manganous Sulfate, Manganese Sulfate
Shelf Life (months): 12
Storage: Green
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Sodium Phosphate Dibasic 7-Hydrate
CAS Number: 7782-85-6
Formula Weight: 268.07
Formula: Na2HPO4·7H2O
Density (g/mL): 1.68
Solubility: Hot Water
Synonyms: Disodium Phosphate 7-Hydrate
Shelf Life (months): 12
Storage: Green
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Sodium Sulfite
CAS Number: 7757-83-7
Formula Weight: 126.04
Formula: Na2SO3
Hazard Info: Irritant
Density (g/mL): 1.4
Solubility: Water
Synonyms: Sulfurous Acid, Disodium Salt; Disodium Sulfite; Sodium Sulphite
Shelf Life (months): 12
Storage: Green
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Sodium Sulfide 9-Hydrate
CAS Number: 1313-84-4
Formula Weight: 240.18
Formula: Na2S·9H2O
Density (g/mL): 1.43
Freezing Point (°C): 50
Solubility: Water and Alcohol
Synonyms: Sodium Monosulfide Nonahydrate
Shelf Life (months): 12
Storage: White
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NaRiKa® G-Gauge Free Fall Apparatus
This apparatus facilitates the calculation of gravitational acceleration through free-fall experiments.
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Innovating Science® Rainbow Electrolysis Kit
Aligned to the next generation science standards.
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Characteristics of Matter Lab Activity
Determine the Many Properties of Matter
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TI-83 Plus Graphing Calculator
This calculator has enhanced graphing capabilities.
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SDS Right-to-Know Metal Cabinet Kit, Emedco
SDS Right-to-Know Metal Cabinet stores your SDS information with ease.
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Ward's® Essentials Spacesuit Design Challenge
The Perfect Introduction to Temperature and Conduction.




