Free Printable The Mole More Practice

Worksheets

The Mole More Practice

Total questions: 25

Worksheet time: 3hrs 35mins

Name

Class

Date

What is Avogadro's number?

6.02 x 10²³

1 mole

600 million

6.02

How many moles are in 6.02 x 10²³ molecules of H₂O?

1 mole

2 moles

6.02 moles

602000000000000000000000 moles

How many moles are in 8.30 X 10²³ molecules of H₂O?

1.38 X 10²³ moles H₂O

1.38 moles H₂O

2 moles H₂O

1 mole H₂O

How many molecules are there in 31.8 moles of water?

5.28 x 10^-23 molecules

1.91 x 10²⁵ molecules

5.28x 10^-25 molecules

1.91 x 10²³ molecules

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

Which has the most particles?

1 mole H₂

1 mole Na¹⁺

1 mole Al(OH)₃

These are all the same

How many atoms are in 1 mole of Iodine (I)?

6.022 x 10²³

4.022 x 10²³

6.022 x 10²⁵

4.022 x 10²⁵

Find the Molar Mass of:
Ga₂(SO₃)₃

280 g/mol

400 g/mol

380 g/mol

480 g/mol

Determine the molar mass for CCl₄

153.8 g/mol

47.54 g/mol

189.35 g/mol

82.9 g/mol

10.

A chemist places 2.50 g of iron on a scale. How many moles of iron are on the scale?

139.6 moles

22.3 moles

0.764 moles

0.045 moles

11.

To melt the ice, Cindy throws 455 g of calcium chloride, CaCl₂ on her sidewalk. How many moles of CaCl₂ did she throw?

50,500 moles

4.10 moles

0.244 moles

111 moles

12.

At STP, 2.5 moles of helium gas will have what volume?

9 L

56 L

27 L

72 L

13.

What is the volume of 5 moles of oxygen gas at room temperature?

112 dm³

112 cm³

120 L

120 mL

14.

A container with a volume of 893 L contains how many moles of air at STP?

2.5 x 10^-2 mol

39.9 mol

22.4

2.7 x 10^-2 mol

15.

How many gram is 0.5 mol of Copper atoms? (Cu:63,5g/mol)

63,5 g

6,35 g

31,75 g

3,175 g

16.

What is the molar mass of NaOH?

40 g/mol

38.989 g/mol

23.998 g/mol

57.004 g/mol

17.

How many molecules of sugar (C₆H₁₂O₆) are in a mole?

24 molecules

180 molecules

180 g

6.02 x 10²³molecules

18.

How many atoms of carbon are in 6.00g of carbon?

1.20x10²⁴atoms C

6.02x10²³atoms C

3.01x10²³atoms C

1.50x10²³atoms C

19.

What is the mass of 0.89 mol of CaCl₂?

111 grams

0.008 grams

98.9 grams

none of the choices

20.

How many moles are in 22 g of argon?

880 moles

0.55 moles

1.81 moles

5 moles

21.

What is the volume of 2 moles of gas at STP?

22.4 L

44.8 L

11.2 L

2 L

22.

You have 3.5 L of H₂ (g) at STP. How many moles of gas are there?

22.4 mol

22.4 L

0.16 mol

0.16 L

23.

What is the molar mass of carbon?

6.0 g/mol

12.0 g/mol

22.4 g/mol

6.02 x 10²³g/mol

24.

What is the molar mass of CO₂?

22.0 g/mol

28.0 g/mol

44.0 g/mol

56.0 g/mol

25.

What is the molar mass of one molecule of Nitrogen N₂?

14 amu (atomic mass units)

14 g

28 g

28 amu

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The Mole More Practice

Total questions: 25

Worksheet time: 3hrs 35mins

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