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Mole Grams Particles Conversions Quiz

Total questions: 41

Worksheet time: 2hrs 38mins

Name
Class
Date
1.

Calculate the number of grams in 0.5 moles of water (H2O).

a)

9.0075 grams

b)

4.5075 grams

c)

0.25 grams

d)

18.015 grams

2.

How many moles are in 50 grams of oxygen (O2)?

a)

2.5 moles

b)

1.56 moles

c)

0.25 moles

d)

5 moles

3.
How many atoms of carbon are in 6.00g of carbon?
a)
1.20x1024atoms C
b)
6.02x1023atoms C
c)
3.01x1023atoms C
d)
1.50x1023atoms C
4.

How many particles are in 2 moles of oxygen (O2)?

a)

2.2044 x 10^24 particles

b)

1.2044 x 10^23 particles

c)

3.2044 x 10^24 particles

d)

1.2044 x 10^24 particles

5.
How many steps are in a gram to mole conversion?
a)
1
b)
2
c)
3
d)
4
6.

How many particles, atoms, are in 13.5 grams of Beryllium?

a)

1.5 particles

b)

9 particles

c)

4x1023 particles

d)

9x1023 particles

7.

How many grams of carbon monoxide are in 1.2 x 1024 molecules of CO, (MM = 28 g/mol)

a)

28 grams

b)

56 grams

c)

6.02 grams

d)

1.2 grams

8.

Which of the following setups using dimensional analysis will correctly convert 27.76g of Li to atoms of Li?

a)

A

b)

B

c)

C

d)

D

9.

How many grams of C are in 1.2 x 1024 atoms of C?

a)

28 grams

b)

24 grams

c)

6.02 grams

d)

1.2 grams

10.

How many moles of Mg are in 19.82 g Mg?

a)

1.226mol Mg

b)

481.7mol Mg

c)

1.000mol Mg

d)

0.8156 mol Mg

11.
How many water molecules are in 5.2 moles of water?
a)
6.02 x 1023
b)
5.2
c)
3.1 x 1024
d)
8.638 x 10-24
12.

What is the molar mass of Gold (III) chloride, AuCl3?

a)
196.967 g
b)
626.354 g
c)
232.42 g
d)
303.326 g
13.

Which of the following setups using dimensional analysis will correctly convert 27.76g of Li to atoms of Li?

a)

A

b)

B

c)

C

d)

D

14.
How many atoms of carbon are in 6.00g of carbon?
a)
1.20x1024atoms C
b)
6.02x1023atoms C
c)
3.01x1023atoms C
d)
1.50x1023atoms C
15.

What is the molar mass of one molecule of Nitrogen gas? Think first, what is the formula for nitrogen gas???

a)

14.01 amu

b)

14.01 g

c)

28.02 g

d)

28.02 amu

16.

How many moles of water are in 16.94g of water?

a)

16.94 mol H2O

b)

0.9401 mol H2O

c)

305.3 mol H2O

d)

1.063 mol H2O

17.

What is the molar mass of PbSO4?

a)

303.27 g/mol

b)

255.27 g/mol

c)

163.87 g/mol

d)

372.27 g/mol

18.
How many grams is 1.2 moles of Neon?
a)
0.05 grams
b)
16.6 grams
c)
21.2 grams
d)
24 grams
19.
Convert 28.0 grams of O2 to moles.
a)
1.14 moles
b)
1.75 moles
c)
0.571 moles
d)
0.875 moles
20.
How many molecules are in 9.44 moles of AlCl3?
a)
5.68 molec AlCl3
b)
5.68x1024 molec AlCl3
c)
1.25 molec AlCl3
d)
1.25x1023 molec AlCl3
21.
How many moles of magnesium are in 3.01x1022 atoms of magnesium?
a)
5.00x1044 moles Mg
b)
0.050 moles Mg
c)
1.81x1046 moles Mg
d)
5 moles Mg
22.

Calculate the molar mass of Ba(C2H3O2)2

a)

255.3 g/mol

b)

392.6 g/mol

c)

228.3 g/mol

d)

196.3 g/mol

23.
Change 7.00 moles of Na2SO4 into grams.
a)
20.3 grams
b)
994 grams
c)
770 grams
d)
0.0493 grams
24.

How many moles is 78 grams of Li3N?

a)

34.827 moles

b)

2.24 moles

c)

78 moles

d)

20.82 moles

25.

How many moles is 4 grams of silicon?

a)

4 moles

b)

0.14 moles

c)

28.085 moles

d)

1.4 moles

26.

How many moles is 19.5 grams of Sodium?

a)

19.5 moles

b)

0.85 moles

c)

22.99 moles

d)

8.5 moles

27.

Calculate the Molar Mass of MgO?

a)

40.305 gram

b)

24.305 gram

c)

15.999 gram

d)

39 gram

28.

Calculate the Molar Mass of AlBr3?

a)

106.886 grams

b)

266.694 grams

c)

26.982 grams

d)

79.904 grams

29.

How many moles is 12.5 x 1023 atoms of an unknown compound?

a)

2.08mol

b)

6.02x1023mol

c)

2.08x1023mol

d)

12.5mol

30.

What is the mass of one mole of silver?

a)

32.06 g

b)

107.87 g

c)

14.01 g

d)

22.99 g

31.

When converting between units, it could be said that "Everything runs though ___________." Which unit best fills the blank? (Meaning that all the other units can be converted to that unit in one step.)

a)

grams

b)

moles

c)

liters

d)

particles

32.

What is the conversion factor between number of moles of substance and number of molecules of the substance?

a)

Ideal Gas Law

b)

Molarity

c)

Molar Mass

d)

Avogadro's Number

33.

What is the conversion factor between mass of a substance in grams and number of moles of the substance in that sample?

a)

Ideal Gas Law

b)

Molarity

c)

Molar Mass

d)

Avogadro's Number

34.

What is the molar mass of Ca(NO3)2?

a)

148.096 g

b)

164.086 g

c)

102.055 g

d)

70.084 g

35.

Which compound has the smallest molar mass?

a)

CO

b)

CO2

c)

H2O

d)

H2O2

36.

How many moles are in 74 g of KCl

a)

0.99 mole

b)

0.014 mole

c)

11 moles

d)

0.14 mole

37.

Determine how many grams are in 0.36 moles of CCl4.

a)

150 g

b)

55 g

c)

0.0023 g

d)

2.2 g

38.

If you want 1.55 moles of nitrogen trichloride (NCl3), how many grams should you measure out?

a)

0.0129 g

b)

120. g

c)

187 g

d)

9.33 g

39.

How many moles of methane (CH4) are in 1.24 x 1023 molecules of methane?

a)

6.02 x 1023 moles

b)

7.46 x 1046 moles

c)

978 moles

d)

0.206 moles

40.

How many water molecules are in 5.2 moles of water?

a)

6.0 x 1023 molecules

b)

5.2 molecules

c)

3.1 x 1024 molecules

d)

8.6 x 10-24 molecules

41.

Determine the number of moles in 5.2 x 1022 atoms of gold.

a)

0.086 mole

b)

0.52 mole

c)

8.63 x 1044 moles

d)

3.1 x 1046 moles