Name: ________________________ Class: ___________________ Date: __________ ID: A
1
Chapter 10 Study Guide: The Mole
Matching
Match each item with the correct statement below.
a. molar volume
b. molar mass
c. atomic mass
____ 1. the number of grams of an element that is numerically equal to the atomic mass of the element in amu
____ 2. the mass of a mole of any element or compound
____ 3. the volume occupied by a mole of any gas at STP
Match each item with the correct statement below.
a. representative particle d. percent composition
b. mole e. standard temperature and pressure
c. Avogadro's number f. empirical formula
____ 4. the number of representative particles of a substance present in 1 mole of that substance
____ 5. an atom, an ion, or a molecule, depending upon the way a substance commonly exists
____ 6. the SI unit used to measure amount of substance
____ 7. 0
°
C and 1 atm
____ 8. the percent by mass of each element in a compound
____ 9. the smallest whole number ratio of the atoms in a compound
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 10. What SI unit is used to measure the number of representative particles in a substance?
a. kilogram c. kelvin
b. ampere d. mole
____ 11. How many hydrogen atoms are in 5 molecules of isopropyl alcohol, C
3
H
7
O?
a. 5
×
(6.02
×
10
23
) c. 35
b. 5 d. 35
×
(6.02
×
10
23
)
____ 12. Avogadro's number of representative particles is equal to one ____.
a. kilogram c. kelvin
b. gram d. mole
