Hydrates

A compound is a hydrate when it...

• is composed of only hydrogen and oxygen

• is a state of water

• traps water inside of the compound

• repels water from the compound

Tags

NGSS.MS-PS1-1

Name the following hydrate KNO₃* 3H₂O

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Crucible, cover: 17.8 g

Crucible, cover, and hydrate: 23.9g

Crucible, cover, and salt: 21.5g

Calculate % of water lost.

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Tags

NGSS.MS-PS1-4

What is the correct chemical formula for barium hydroxide octahydrate?

Tags

NGSS.MS-PS1-1

Calculate the percentage of water in :

K₂CO₃ · 4H₂O

Tags

NGSS.MS-PS1-1

Name the following ionic compound: MgCO₃*4H₂O

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A 14.67 g sample of a hydrate of magnesium carbonate was heated to drive off the water. The mass was reduced to 8.93 g. What is the percentage of water lost?

Tags

NGSS.MS-PS1-5

A hydrate is a compound that...

• A) contains water molecules within its crystal structure

• B) is always soluble in water

• C) is composed of hydrogen and oxygen only

• D) evaporates easily

What is the correct chemical formula for copper(II) sulfate pentahydrate?

Which of the following is a real-world application of hydrates?

• A) Desiccants used to keep products dry

• B) Fuel for combustion engines

• C) Lubricants for machinery

• D) Insulators for electrical wiring