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Introduction to the Mole Flashcards | StudBud
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Introduction to the Mole
3.01 x 10 23 =
What is the mass of 3 moles of carbon?
Introduction to the Mole
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Introduction to the mole
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Answers
1
What is the mass of 3 moles of carbon?
24 g
12 g
36 g
36 amu
2
3.01 x 10
23
=
1/2 mole
1 mole
3.01 moles
1/3 mole
3
40 g of Calcium is ______ atoms
6.02 x 10 23
40 x 6.02 x 10 23
40
4
1 formula unit of NaCl is made up of ____ atoms
2
6.02 x 1023
1
12.04 x 10 23
5
1 amu of Hydrogen = _____ atom/s
6.02 x 10 23
1 atom
6
The concept of the mole can be compared to the concept of a
formula unit
molecule
dozen
atomic mass unit
7
The mole is such a _____ number that it is only used to describe ______ objects
tiny; tiny
tiny; huge
huge; huge
huge; tiny
8
The representative particles for elements are
atoms
formula units
molecules
9
_____ atoms make up the formula unit of CuSO
4
6
4
6.02 x 1023
10
If 1 mole of H
2
O has 6.02 x 10
23
molecules, it will have ___ times that many total atoms
2
1
3
4
11
1 mole of the formula unit NaCl is made up of _____ atoms
1
12.04 x 1023
2
6.02 x 1023
12
The number underneath the element on the periodic table can also represent
the "amu" of one ATOM of that element
MOLE of that element
13
Why is a mole used in chemistry?
To make my life more confusing
To complicate math
Because it gives us amounts we can see
14
The representative particles for ionic compounds are
molecules
formula units
atoms
15
What is the mass of 1 mole of NaCl?
58.5 g
23 amu
58.5 amu
23g
16
The representative particles for covalent compounds are
molecules
atoms
formula units
17
The number 6.02 x 10
23
=
1 mole
1 g
1 amu
1 formula unit
18
The mass of 1 mole of Ca is (use your periodic table)
20 g
40 amu
40 g
20 amu
19
12.04 x 10
23
=
1/12 mole
2 moles
1 mole
1/2 mole
20
The number underneath the element on the periodic table is
the mass of one mole in "amus"
the mass of one mole in grams
