What is a hydrate in the context of chemistry?

Hydrates and Their Formulas

Interactive Video
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Chemistry
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A compound that releases gas when heated
An ionic compound that traps water molecules
A type of acid that dissolves metals
A molecular compound that forms crystals
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you begin naming a hydrate?
By determining the color of the compound
By naming the ionic compound first
By identifying the number of water molecules
By calculating the molecular weight
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'di' prefix indicate in CuCl2 dihydrate?
Two chloride ions
Two copper ions
Two water molecules
Two sulfate ions
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct name for ZnSO4 with seven water molecules?
Zinc sulfate heptahydrate
Zinc sulfate pentahydrate
Zinc sulfate dihydrate
Zinc sulfate monohydrate
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula CuSO4·5H2O, what does the dot represent?
A containment of water molecules
A chemical reaction
A separation of elements
A multiplication of molecules
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in writing the formula for a hydrate?
Name the ionic compound
Calculate the molar mass
Identify the number of water molecules
Determine the charge of the ions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the prefix 'penta' indicate in a hydrate's name?
Six water molecules
Three water molecules
Four water molecules
Five water molecules
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