
Conversions in Chemistry: Moles and Mass

Interactive Video
•
Chemistry, Science, Mathematics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in converting mass to particles?
Convert particles to moles
Convert moles to atoms
Convert grams to moles
Convert atoms to grams
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When using dimensional analysis, what is the molar mass of silicon used in the conversion?
28.1 grams per mole
65.4 grams per mole
81.4 grams per mole
16.0 grams per mole
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms are in 75 grams of silicon according to the example?
6.02 x 10^23 atoms
1.6 x 10^24 atoms
10,500 atoms
7.75 x 10^25 atoms
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the 'map to molvil' method, what is the final step to find the number of particles?
Multiply by Avogadro's number
Divide by Avogadro's number
Divide by the molar mass
Multiply by the molar mass
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method involves using a 'map' to visualize the conversion process?
Avogadro's method
Molar mass calculation
Dimensional analysis
Map to molvil
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the starting point in the reverse conversion from particles to mass?
Particle town
Mole ville
Mass city
Atom city
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the combined molar mass of zinc oxide used in the conversion?
28.1 grams per mole
65.4 grams per mole
16.0 grams per mole
81.4 grams per mole
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