Hydrates

Name the following hydrate KNO₃* 3H₂O

Crucible, cover: 17.8 g

Crucible, cover, and hydrate: 23.9g

Crucible, cover, and salt: 21.5g

Calculate % of water lost.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the correct chemical formula for barium hydroxide octahydrate?

What is the correct formula for Sodium Oxide Tetrahydrate?

• NaO * 3H₂O

• NaO₂ * 5H₂O

• Na₂O * 3H₂O

• Na₂O * 4H₂O

Calculate the percentage of water in :

K₂CO₃ · 4H₂O

Tags

NGSS.MS-PS1-1

Name the following ionic compound: MgCO₃*4H₂O

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-PS1-2

NGSS.MS-PS1-5

• Potassium nitrate trihydrate

• Potassium nitrate dihydrate

• Potassium nitrate monohydrate

• Potassium nitrate tetrahydrate

Crucible, cover: 17.8 g; Crucible, cover, and hydrate: 23.9 g; Crucible, cover, and salt: 21.5 g. Calculate % of water lost.

• 10.04%

• 15.06%

• 20.08%

• 25.10%

What is the correct chemical formula for barium hydroxide octahydrate?

Tags

NGSS.MS-PS1-1