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Converting Moles to Molecules

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

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

2.

How many molecules of diphosphorus pentachloride are in exactly 1 mole of P2Cl5?

a)

2 atoms

b)

5 atoms

c)

2 moles

d)

5 moles

e)

6.022 x 1023 molecules

3.

What is the conversion factor that should be used to determine how many molecules is 4.00 moles of glucose, C6H12O6?

a)
b)
c)
d)
4.

How many molecules is 31.8 moles of water?

a)

5.28 x 10-23 molecules

b)

1.91 x 1025 molecules

c)

5.28x 10-25 molecules

d)

1.91 x 1023 molecules

5.

What converting from moles to the number of particles, moles is multiplied by:

a)

an equivalent value

b)

a conversion factor

c)

the number of atoms in the formula

d)

the mass of the substance

6.

What is correct equation that should be used to determine how many molecules is 0.75 moles of (NH4)3PO4?

a)
b)
c)
d)
7.

How many molecules of CO2 can be formed from 33.6 L of CO2?

a)

66 molecules

b)

6.02 x 1023 molecules

c)

9.03 x 1023 molecules

d)

2.50 x 1022 molecules

8.

How many atoms are in 1.5 moles of O2

a)

33.6 atoms

b)

48 atoms

c)

9.03 x 1023 atoms

d)

2.50 x 10-24 atoms

9.

How many molecules are in 2.5 moles of carbon dioxide (CO_2)?

a)

1.51 x 10^24 molecules

b)

6.02 x 10^23 molecules

c)

3.01 x 10^24 molecules

d)

7.53 x 10^23 molecules

10.

What is the conversion factor used to convert moles to molecules?

a)

6.022 x 10^23 molecules/mole

b)

1 mole/6.022 x 10^23 molecules

c)

1 molecule/6.022 x 10^23 moles

d)

6.022 x 10^23 moles/molecule

11.

If you have 0.5 moles of nitrogen gas (N_2), how many molecules do you have?

a)

3.011 x 10^23 molecules

b)

1.204 x 10^24 molecules

c)

6.022 x 10^23 molecules

d)

2.409 x 10^24 molecules

12.

How many molecules are in 10 moles of water (H_2O)?

a)

6.022 x 10^24 molecules

b)

6.022 x 10^23 molecules

c)

1.204 x 10^24 molecules

d)

3.011 x 10^24 molecules

13.

What is the number of molecules in 0.25 moles of glucose (C_6H_12O_6)?

a)

1.505 x 10^23 molecules

b)

3.011 x 10^23 molecules

c)

6.022 x 10^23 molecules

d)

7.53 x 10^23 molecules

14.

How many molecules are in 3 moles of sulfur dioxide (SO_2)?

a)

1.807 x 10^24 molecules

b)

6.022 x 10^23 molecules

c)

3.011 x 10^24 molecules

d)

9.033 x 10^23 molecules

15.

If you have 4 moles of ammonia (NH_3), how many molecules do you have?

a)

2.409 x 10^24 molecules

b)

1.204 x 10^24 molecules

c)

6.022 x 10^23 molecules

d)

4.816 x 10^24 molecules

16.

How many molecules are in 0.1 moles of methane (CH_4)?

a)

6.022 x 10^22 molecules

b)

6.022 x 10^23 molecules

c)

1.204 x 10^23 molecules

d)

3.011 x 10^23 molecules

17.

What is the number of molecules in 5 moles of oxygen gas (O_2)?

a)

3.011 x 10^24 molecules

b)

6.022 x 10^23 molecules

c)

1.204 x 10^24 molecules

d)

2.409 x 10^24 molecules

18.

How many molecules are in 7 moles of hydrogen gas (H_2)?

a)

4.215 x 10^24 molecules

b)

6.022 x 10^23 molecules

c)

1.204 x 10^24 molecules

d)

3.011 x 10^24 molecules

19.

If you have 0.75 moles of phosphorus pentachloride (PCl_5), how many molecules do you have?

a)

4.5165 x 10^23 molecules

b)

6.022 x 10^23 molecules

c)

1.204 x 10^24 molecules

d)

3.011 x 10^23 molecules

20.

How many molecules are in 8 moles of nitrogen dioxide (NO_2)?

a)

4.816 x 10^24 molecules

b)

6.022 x 10^23 molecules

c)

1.204 x 10^24 molecules

d)

3.011 x 10^24 molecules

21.

What is the number of molecules in 6 moles of carbon monoxide (CO)?

a)

3.613 x 10^24 molecules

b)

6.022 x 10^23 molecules

c)

1.204 x 10^24 molecules

d)

3.011 x 10^24 molecules

22.

How many molecules are in 1.5 moles of ethane (C_2H_6)?

a)

9.033 x 10^23 molecules

b)

6.022 x 10^23 molecules

c)

1.204 x 10^24 molecules

d)

3.011 x 10^24 molecules

23.

If you have 9 moles of chlorine gas (Cl_2), how many molecules do you have?

a)

5.42 x 10^24 molecules

b)

6.022 x 10^23 molecules

c)

1.204 x 10^24 molecules

d)

3.011 x 10^24 molecules

24.

How many molecules are in 0.2 moles of acetic acid (CH_3COOH)?

a)

1.204 x 10^23 molecules

b)

6.022 x 10^23 molecules

c)

1.204 x 10^24 molecules

d)

3.011 x 10^23 molecules

25.

What is the number of molecules in 12 moles of sulfur hexafluoride (SF_6)?

a)

7.226 x 10^24 molecules

b)

6.022 x 10^23 molecules

c)

1.204 x 10^24 molecules

d)

3.011 x 10^24 molecules