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WorksheetsMole Day!
Total questions: 12
Worksheet time: 12mins
Name
Class
Date
1.
When is Mole Day?
a)
10/23
b)
6/22
c)
3/14
d)
every day is mole day when you are a chemist
2.
How do chemists use the mole?
a)
as a standard quantity of measurement
b)
as a pet
c)
to aerate their yards
d)
for their fur
3.
The mole is a ________.
a)
unit
b)
or have you heard
c)
containing
d)
6.0 times the twenty-third!
4.
What is Avogadro's Number?
a)
6.02 x 1023
b)
- 23 106.02
c)
6.02 x 1022
d)
6,020,000,000,000
5.
What is the mole used for?
a)
To measure the amount of grams in a substance
b)
To measure the amount of atoms or molecules in a substance
c)
To measure the amount of energy in a substance
d)
To measure the amount of bonding in a substance
6.
What is the molar mass of H2O?
a)
6.02 x 1023
b)
16 grams
c)
18 grams
d)
15.99999 grams
7.
In chemistry, a "mole" is:
a)
a small burrowing mammal
b)
a large number used to count particles
8.
We use the periodic table to find...
a)
mass
b)
molar mass
c)
moles
9.
What do we call the SI unit for amount of a substance?
a)
Avogadros number
b)
kilogram
c)
mole
d)
liter
10.
What is the definition of molar mass?
a)
number of grams per one mole of a substance
b)
whole number ratio that is a multiple of a chemical formula
c)
simplest, whole number ratio of a chemical formula
d)
6.02 x 10^23 particles per one mole of a substance
11.
Molar mass is in units of ________.
a)
grams
b)
grams/mole
c)
mole
d)
moles/gram
12.
How many moles are present in 32.3 grams of carbon dioxide (CO2)?
a)
44.01 moles
b)
1421.52 moles
c)
32.3 moles
d)
0.73 moles
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