What is the first step in converting grams of a substance to moles?

Moles and Molecules in Chemistry

Interactive Video
•
Chemistry, Mathematics, Science
•
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
Determine the number of molecules.
Calculate the molecular weight.
Use Avogadro's number.
Find the number of atoms.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many grams are in one mole of glucose (C6H12O6)?
180 grams
78.9 grams
6.02 grams
12 grams
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of converting 78.9 grams of glucose to moles?
6 moles
2.8 moles
1.58 moles
0.438 moles
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What constant is used to convert moles to molecules?
Planck's constant
Faraday's constant
Avogadro's number
Boltzmann's constant
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many molecules are in 0.438 moles of glucose?
6.02 x 10^23 molecules
3.0 x 10^23 molecules
1.58 x 10^24 molecules
2.8 x 10^23 molecules
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to write out 'molecule' instead of using an abbreviation?
There is no standard abbreviation for 'molecule'.
It helps in understanding the concept better.
It is required by Avogadro's law.
It is a rule in chemistry.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the next step after converting moles to molecules?
Convert molecules to atoms.
Convert molecules to ions.
Convert molecules to grams.
Convert molecules to liters.
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