
Zinc Hydroxide and Moles Concepts

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

Lucas Foster
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which elements are present in zinc hydroxide?
Zinc, Oxygen, Hydrogen
Zinc, Carbon, Hydrogen
Zinc, Oxygen, Helium
Zinc, Nitrogen, Hydrogen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the subscript '2' in Zn(OH)2 indicate?
Two hydrogen atoms only
Two zinc and two oxygen atoms
Two oxygen atoms and two hydrogen atoms
Two zinc atoms
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are there in a single molecule of zinc hydroxide?
Two
Four
Three
One
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of atoms in a molecule of zinc hydroxide?
Six
Five
Four
Three
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the number of oxygen atoms in one mole of zinc hydroxide?
Divide the number of oxygen atoms by Avogadro's number
Add Avogadro's number to the number of oxygen atoms
Subtract Avogadro's number from the number of oxygen atoms
Multiply the number of oxygen atoms by Avogadro's number
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Avogadro's number used for in this context?
To find the number of molecules in a compound
To measure the volume of a gas
To calculate the number of atoms in a mole
To determine the weight of a compound
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of zinc hydroxide, what does the term 'mole' refer to?
A unit of amount of substance
A unit of volume
A unit of mass
A unit of temperature
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