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Worksheetsmoles to particles quiz
Total questions: 20
Worksheet time: 29mins
Name
Class
Date
1.
How many formula units are there in 5.5 moles potassium chloride?
a)
4.08 x 10-24
b)
3.31 x 1024
c)
33.11
d)
0.98
2.
How many students are there in 31.8 moles of students?
a)
5.28 x 10-23 students
b)
1.91 x 1025 students
c)
5.28x 10-25 students
d)
1.91 x 1022 students
3.
How many moles are 2.85 x 1020 atoms of iron?
a)
4.73 x 10-4 moles
b)
1.72 x 104 moles
c)
1.72 x 10-42 moles
d)
4.73 x 104 moles
4.
How many moles of copper are 4.57 x 1015 atoms of copper?
a)
7.59 x 10-9 moles
b)
2.75 x 10-33 moles
c)
7.59 x 109 moles
d)
2.75 x 1033 moles
5.
Avogadro's number of representative particles is equal to one_____.
a)
kilogram
b)
gram
c)
kelvin
d)
mole
6.
What is the molar mass of AuCl2?
a)
96 g
b)
130 g
c)
232.5 g
d)
268 g
7.
A mole of carbon disulfide contains 6.02 x 1023 _____.
a)
atoms
b)
formula units
c)
ions
d)
molecules
8.
How many particles are in a mole?
a)
602
b)
602 million
c)
602 moles
d)
6.02 x 1023
9.
Determine the amount of moles in 4.50 x 1023 atoms of fluorine.
a)
9.03 x 1046 moles
b)
0.757 moles
c)
4.73 moles
d)
0.0131 moles
10.
Determine the number of
atoms in
0.50 moles of zinc.
atoms in
0.50 moles of zinc.
a)
0.30 x 1024 atoms
b)
4.15 x 10-24 atoms
c)
2.71 x 10-22 atoms
d)
303 atoms
11.
Which of the following would have more mass?
a)
1 mole of NaCl
b)
1 mole of Ag
c)
1 mole of HCl
d)
None, all are equal
12.
What is the molar mass of CaCl2?
a)
24.31 g/ml
b)
111.21 g/mol
c)
59.76 g/mol
d)
70.90 g/mol
13.
Convert 1.5 moles of beryllium oxide to molecules
a)
25.01 molecules
b)
9.0 x 1023 molecules
c)
0.12 molecules
d)
1.80 x 1024 molecules
14.
Five moles of Cl2 has the same particles in five moles of O2
a)
True
b)
False
15.
What are the units for molar mass?
a)
grams
b)
moles
c)
grams/mole
d)
liters
16.
Find the Molar Mass of:
Ga2(SO3)3
Ga2(SO3)3
a)
280 g/mol
b)
400 g/mol
c)
380 g/mol
d)
480 g/mol
17.
What is the mass of 1.2 moles of IrI3?
a)
570 g
b)
690 g
c)
320 g
d)
957 g
18.
Which list of number of atoms in Mg(NO2)2 is right?
a)
Mg : 1--NO : 2
b)
Mg : 1-- N : 6--O: 2
c)
Mg : 1-- N: 1-- O: 2
d)
Mg : 1-- N: 2-- O: 4
19.
Which list of number of atoms in K3PO3 is right?
a)
K : 3--PO : 3
b)
K :3--P : 1--O: 3
c)
K : 3-- P: 4--O: 1
d)
K : 3-- P: 5--O: 4
20.
How to calculate molar mass of CO2?
a)
12+2x16 =44
b)
12+16=28
c)
2x12+2x16=56
d)
4+6=10
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