Free Printable .5 Unit 6 Moles Review

Worksheets

.5 Unit 6 Moles Review

Total questions: 25

Worksheet time: 2hrs 33mins

Name

Class

Date

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

1 mole

2 moles

6.02 moles

602000000000000000000000 moles

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

Why is the mole used in chemistry?

The mass of atoms is in AMUs which is too hard to convert to grams.

A dozen is not a scientific amount.

Chemists needed to make chemistry easier to understand.

It makes counting large numbers of small particles easier.

What is the molar mass of AuCl₃?

96 g

130 g

232.5 g

303.3 g

Which of the following would have more mass?

1 mole of Li

1 mole of Au

1 mole of Si

None, all are equal

What is the molar mass of MgCl₂?

24.31 g/ml

95.21 g/mol

59.76 g/mol

70.90 g/mol

What is the molar mass of dihydrogen dioxide (H₂O₂)?

48 g/mole

34.02 g/mole

36.5 g/mole

35.5 g/mole

In chemistry, a "mole" is:

The mass of an atom

a large number used to count particles

based on the volume of a substance

10.

How many atoms of iodine are in a mole of iodine?

63.55g

126.9

6.02 x 10²³

11.

What is the molar mass of NaCl?

58.45g/mol

28g/mol

12g/mol

6.02 x 10²³

12.

What is the molar mass of C₂H₄O₂?

40g

50g

60g

68g

13.

How do we get mass from moles?

multiply by avogadro's number

multiply by molar mass

divide by avogadro's number

divide by molar mass

14.

What would be the mass of 1.5mol H₂O

15.

The molar mass of an element is the mass of one ____ of the element.

atom

molecule

mole

gram

16.

Where do you look to calculate the molar mass?

avogadros number

periodic table

17.

What is the Molar mass of one mole of Iron (Fe)?

55.93 amu

55.93 g

111.86 amu

111.86 g

18.

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

14.01 amu

14.01 g

28.02 g

28.02 amu

19.

You have 2 moles of graphite (KC₈) in your pencil. How many grams of graphite are in your pencil?

135.19 g

270.37 g

67.59 g

134 g

20.

How many grams of carbon dioxide are in 0.5 mol of carbon dioxide?

11 g

44.009 g

22.005 g

88.018 g

21.

How many moles of sulfur is 64 grams of sulfur?

.5 moles

1 mole

1.5 mole

2 moles

22.

2 moles of water (H₂O) would have what mass?

9 grams

18 grams

36 grams

54 grams

23.

How many moles is 22 grams of carbon dioxide (CO₂)?

.5 moles

1 mole

1.5 mole

2 moles

24.

How many grams is 6 moles of potassium atoms?

114

240

300

25.

How many grams is .5 moles of neon?

Reset

.5 Unit 6 Moles Review

Total questions: 25

Worksheet time: 2hrs 33mins

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