Hydrates Calculations Practice

Quiz
•
Chemistry
•
10th Grade
•
Medium
Standards-aligned
Catherine Gamboa
Used 2+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A 4.175 gram sample of a certain hydrate of copper (II) sulfate, CuSO4•xH2O, is heated until all the water is driven off. The resulting anhydrous compound weighs 3.120 grams. What is the formula of the hydrate?
CuSO4•H2O
CuSO4•3H2O
CuSO4•6H2O
CuSO4•4H2O
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A 5.018 gram sample of a certain hydrate of magnesium sulfate, MgSO4•xH2O, is heated until all the water is driven off. The resulting anhydrous compound weighs 2.449 grams. What is the formula of the hydrate?
MgSO4•9H2O
MgSO4•8H2O
MgSO4•7H2O
MgSO4•6H2O
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula for calcium sulfate hexahydrate?
CaSO₄ * 6H2O
Ca2(SO4)3 * 6H2O
Ca(SO4)2 * 6H2O
Ca3(SO4)3 * 6H2O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are anhydrous compounds different from hydrates?
Anhydrous compounds contain more water molecules than hydrates
Anhydrous compounds and hydrates are the same
Anhydrous compounds do not contain water molecules, unlike hydrates
Anhydrous compounds use Greek letters to indicate the number of water molecules present
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for Copper(II) sulfate pentahydrate?
CuSO4
CuSO4·5H2O
CuSO4·H2O
Cu2SO4·5H2O
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-7
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