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WorksheetsMoles and Conversions
Total questions: 17
Worksheet time: 2hrs 16mins
Name
Class
Date
1.
How many ATOMS are in one MOLE of Ammonium Sulfite (NH4)2SO3?
a)
6.02 x 1023
b)
2
c)
4
d)
8
2.
How many Carbon ATOMS are in 4.52 MOLES of Carbon?
a)
6.02 x 1023
b)
1.33 x 1023
c)
4.52
d)
2.72 x 1024
3.
How many Carbon ATOMS are in ONE MOLE of Carbon?
a)
6.02 x 1023
b)
1
c)
12
d)
not enough information
4.
How many water MOLECULES are in 5.2 MOLES of water?
a)
6.02 x 1023
b)
5.2
c)
3.1304 x 1024
d)
8.638 x 10-24
5.
How many MOLES of Hydrogen are in 6.02 x 1023 ATOMS of Hydrogen?
a)
6.02 x 1023
b)
1
c)
3.1304 x 1024
d)
78
6.
How many MOLES of nitrogen are in 5.172 x 1025 ATOMS of nitrogen?
a)
85.91
b)
6.02 x 1023
c)
3.113 x 1049
d)
125.5
7.
How many MOLES of methane (CH4) are in 1.24 x 1023 MOLECULES of methane?
a)
6.02 x 1023
b)
7.46 x 1046
c)
978
d)
0.206
8.
What is the MOLAR MASS of sodium (Na)?
a)
11
b)
22.990
c)
45.98
d)
3
9.
What are the UNITS for MOLAR MASS?
a)
grams
b)
amu
c)
grams/mole
d)
liters
10.
What is the MOLAR MASS of fluorine gas (F2)?
a)
18.998 g/mol
b)
37.996 g/mol
c)
9 g/mol
d)
18 g/mol
11.
What is the MOLAR MASS of table salt (NaCl)?
a)
116.886 g/mol
b)
35.453 g/mol
c)
22.990 g/mol
d)
58.443 g/mol
12.
What is the MOLAR MASS of B2(CO3)3?
a)
81.632 g/mol
b)
94.842 g/mol
c)
38.822 g/mol
d)
201.648 g/mol
13.
How many MOLES are in 16.94 GRAMS of water?
a)
16.94
b)
0.9403
c)
305.2
d)
1.063
14.
How many GRAMS are in 3.62 MOLE of dicarbon tetroxide (C2O4)?
a)
88.0
b)
3.62
c)
319
d)
159
15.
What is the mass in GRAMS of 1.2 MOLES of IrI3?
a)
570 g
b)
690 g
c)
320 g
d)
957 g
16.
A container with a VOLUME of 893 L contains how many MOLES of air at STP?
a)
20003.2 L
b)
39.9 L
c)
22.4 L
d)
none of the choices
17.
A chemical reaction produces 0.37 MOLES of N2 gas. What VOLUME will that gas occupy at STP?
a)
0.02 L
b)
10.4 L
c)
5.2 L
d)
8.3 L
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