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WorksheetsCh10-Moles, Mass, Vol Relationships
Total questions: 27
Worksheet time: 46mins
What is a mole?
The unit for measuring the amount of a substance
An animal
None of the above
All of the above
What is Avogadro's number?
6.02 x 1023
6.02 x 1021
6.02 x 1022
6.02 x 1024
1 mole =
6.02 x 1023
atoms
6.02 x 1023
formula units
6.02 x 1023
molecules
All of the above
What are the units for molar mass?
g/mol
g
mol
atoms
The _______ ________ of any substance is the mass in grams of one mole of that substance. (Two words)
(a)
The molar mass of any substance is the mass in grams of (a) mole of that substance.
What is the molar volume of any gas? (the volume of 1.0 mole of a gas)
1 mol = 22.4 L
1 mol = 24.4 L
1 mol = 44.2 L
1 mol = 4.22 L
What is the mole road map used for?
It summarizes what direction to drive on a road
It summarizes the relationships between moles, particles, masses, and volumes of chemical substances
It summarizes the relationships and illustrates the importance of mole animals
It summarizes the relationships and illustrates the importance of studying science
What substance(s) did you measure in the
"Stained-Glass Candy" Lab?
All of the above
Sugar
Cream of Tartar
Milk
Corn Syrup
How do you calculate the molar mass of H2O?
add the masses of hydrogen and oxygen together
add the masses of two hydrogens and one oxygen together
add the masses of one hydrogen and two oxygens together
add the masses of two hydrogens and one oxygen together and divide by 2
What is necessary to calculate the molar mass of any substance?
(Select all that apply)
The chemical formula of the substance
The atomic masses of each element in the substance
The Mole Road Map
An electronic balance to weigh the substance
What is the molar mass of CaCO3?
(Use 16.0 g for Oxygen, 12.0 g for Carbon, and 40.0 g for Calcium)
68 g/mol
100 g/mol
84 g/mol
96 g/mol
What is the appropriate conversion factor to answer:
How many moles in 75 g of N2O3?
What is the molar mass of Al2O3?
102 g
102 mol
102 particles
102 g/mol
What is the molar mass of Fe2O3?
(Use 55.8 g for Iron, 16.0 g for Oxygen)
159.6 g/mol
143.6 g/mol
71.8 g/mol
103.8 g/mol
What is the appropriate conversion factor to answer:
How many moles of Fe2O3 are
contained in 100 g Fe2O3?
What is the appropriate conversion factor to answer:
Determine the volume of gas in 3.1 moles of H2
What is the appropriate conversion factor to answer:
Determine the moles of gas in 51.7 L of Helium
What is the appropriate conversion factor to answer:
Find the mass of 4.5 mol of C20H42
What is the appropriate conversion factor to answer:
How many moles in 75 g of N2O3?
What is the appropriate conversion factor to answer:
How many atoms are in 1.14 mol of SO3?
What is the appropriate conversion factor to answer:
How many moles are in 2.8 x 1024 atoms of Fluorine?
What is the appropriate conversion factor to answer:
How many moles is in 2.17 x 1023 atoms of silver?
How much is 22.4 L of H2 gas in moles?
3 mol
1 mol
4 mol
2 mol
Which of the following is NOT true?
1 mol = 6.02 x 1023
molecules
1 mol = 22.4 L
1 mol = 22.4 g
1 mol = 6.02 x 1023
atoms
Which contains more molecules?
1.00 mol H2O2
1.00 mol C2H6
1.00 mol CO
All contain 6.02
x 1023 molecules
Which contains more atoms?
1.00 mol OH-
1.00 mol H2O
1.00 mol H2O2
They all contain the same number of atoms
