

Exploring the Mole and Molar Mass Concepts
Interactive Video
•
Chemistry
•
6th - 10th Grade
•
Practice Problem
•
Hard
Liam Anderson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of today's lesson?
Learning about the periodic table
Learning to count atoms, formula units, and molecules
Learning to balance chemical equations
Learning about chemical reactions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the rice experiment, what was the mass of six dozen grains of rice?
0.58 grams
0.21 grams
1.24 grams
1.94 grams
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Avogadro's number?
32
12
6.02 times 10 to the 23rd
16
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of magnesium?
16 grams per mole
32 grams per mole
35.5 grams per mole
24.3 grams per mole
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the molar mass of a compound?
By subtracting the atomic masses of the elements in the compound
By dividing the atomic masses of the elements in the compound
By multiplying the atomic masses of the elements in the compound
By adding the atomic masses of the elements in the compound
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles of atoms are in 8.0 grams of magnesium?
2.0 moles
0.33 moles
1.0 moles
0.5 moles
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms are in 0.7 grams of helium?
2.0 times 10 to the 23rd atoms
0.33 times 10 to the 23rd atoms
6.02 times 10 to the 23rd atoms
1.1 times 10 to the 23rd atoms
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