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WorksheetsMole Quiz Retake
Total questions: 10
Worksheet time: 1hrs 24mins
Name
Class
Date
1.
12.01 grams of carbon atoms is equal to
a)
1 dozen carbon atoms.
b)
the mass of 12 carbon atoms.
c)
the mass of a carbon atom.
d)
1 mole of carbon.
2.
One mole is defined as
a)
a small furry creature.
b)
Avogadro's number of something.
c)
6.02 of something.
d)
the mass of a substance.
3.
Avogadro's number is
a)
1.204 x 1024
b)
6.02 x 1023
c)
6.02 x 1024
d)
6.02 x 1033
4.
How many moles is 50 g of Ag (silver)?
a)
0.046 mol Ag
b)
0.46 mol Ag
c)
2.2 mol Ag
d)
22 mol Ag
5.
The molar mass of Pt (platinum) is
a)
195.08 g/mol
b)
78 g/mol
c)
195.08 amu
d)
78 amu
6.
The molar mass of N2 (nitrogen gas) is
a)
14.01 g/mol
b)
14.01 amu
c)
28.02 g/mol
d)
28.02 amu
7.
The molar mass of KCl (potassium chloride) is
a)
110.0 amu
b)
74.55 amu
c)
110.0 g/mol
d)
74.55 g/mol
8.
What is the molar mass of Zn(CN)2 (zinc cyanide)?
a)
117.45 amu
b)
91.43 amu
c)
117.45 g/mol
d)
91.43 g/mol
9.
How many moles are is 300 g Cd(NO2)2 (cadmium nitrite)?
a)
1.47 mol
b)
0.681 mol
c)
1.89 mol
d)
1.74 mol
10.
How many moles are in 24 g CH4 (methane)?
a)
1.8 mol
b)
0.54 mol
c)
0.67 mol
d)
1.5 mol
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