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The Mole (Part 1) Flashcards | StudBud
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The Mole (Part 1)
The Mole (Part 1)
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An introduction to chemical quantities! #Chemistry #Mole #Avogadro
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What is the name of this compound, Al
2
O
3
?
aluminum oxide
aluminum (III) oxide
dialuminum trioxide
aluminum trioxide
2
What is Ms. Stone's favorite Xmas song?
Winter Wonderland
Baby, it's Cold Outside
Frosty the Snowman
Feliz Navidad
3
Convert 32.0 moles of CH
4
to grams
2 g CH4
1.99 g CH4
2.46 g CH4
4
What is the molar mass of (NH₄)₃PO₄
113.02 g/mol
298.48 g/mol
226.40 g/mol
149.12 g/mol
5
What is the name of this animal?
A red panda
A red tree fox
A red lemur
A red raccoon
6
What is the percent composition of C
12
H
22
O
11
?
C:12.00% H:22.00% O:11.00%
C:42.09% H:6.49% O:51.41%
C:39.76% H:7.89% O:52.35%
C:51.41% H:4.69% O:43.90%
7
What is the molar mass of Sr(NO₃)₂
105.82 g/mol
211.64 g/mol
149.63 g/mol
299.26 g/mol
8
What is the molar mass of NaOH?
40.0 g/mol
20.00 g/mol
40.00 g/mol
44.01 g/mol
9
On the periodic table, where do you find the atomic mass of elements?
Top Left
Bottom Right
Middle
Bottom
10
How many grams are in 1.00 mol of FeF
2
?
187.70 g FeF2
93.85 g FeF2
74.85 FeF2
46.93 g FeF2
11
Where did Ms. Stone go to college?
Plymouth State University
Penn State
Keene State College
UNH
12
What is the atomic mass of silver?
196. 97 amu
195.08
107.87 amu
32.07 amu
13
What is another name for the mole?
Avocado's Number
The Power
Avogadro's Number
602 Sextillion
14
How many steps does it take to convert from mass to moles?
3
2
4
1
15
What is the 2nd step to calculate molar mass?
Count the # of atoms
Divide the # of atoms by the atomic mass
Add the masses together
Find the atomic mass of each element
16
In football, where do the Broncos come from?
Derry, NH
Baltimore, MD
Denver, CO
Buffalo, NY
17
What did you think about the video Ms. Stone showed yesterday?
LAME! I love my phone and need it.
Meh...so-so.
I'll think about it (maybe 2 times)...
Interesting viewpoint...
18
One "mole" in chemistry represents the number:
10.23 x 106
6.022 x 1023
0.62 x 1023
2.06 x 1032
19
What is one of the rules for calculating % composition?
For a compound, the % composition will always change
There is no equation to calculate % composition
The answers need to be divided by 100
The sum must equal 100
20
What is the last step for calculating % composition?
Calculate the molar mass of each element.
element mm/compound mm
Calculate the molar mass of the compound.
Multiply by 100.
