Free Printable Review Mole Calculations

Worksheets

Review Mole Calculations

Total questions: 20

Worksheet time: 3600secs

Name

Class

Date

How many atoms are present in a 13.5 gram sample of beryllium?

1.5 particles

9 particles

4.03 x10²³ particles

9.02 x10²³ particles

A sample of silver contains 5.71 x 10²² atoms. How many moles of silver are present?

3.43 x 10⁴⁶ moles

0.0529 moles

0.0948 moles

10.5 moles

How many atoms are present in a 0.0254 mole sample of gold?

0.25 atoms

1.528 x 10²² atoms

4.22 x 10^-25 atoms

5 atoms

Determine the mass of 2.40 moles of C₆H₁₂

201 g

115 g

230. g

353 g

What is the total mass, in grams, of a 0.75 mole sample of SO₂?

16 g

24 g

32 g

48 g

Calculate the mass of iron in a sample of iron ore containing 2.61x10²³ iron atoms.

0.433g

24.2g

44g

6.02g

How many molecules are present in a 135 g sample of Teflon, which has a formula of C₂F₄?

6.13 x 10²³ molecules

5.13 x 10²³ molecules

8.13 x 10 ²³ molecules

9.13 x 10²³ molecules

What is the volume of 5.62 moles of O₂?

125.9 L

0.25 L

179.8 L

0.18 L

What is the volume (in liters) of 3.20 moles of H₂O?

71.7 L

0.14 L

0.17 L

57.6 L

10.

What is the number of moles in 9.63 L of H₂S gas at STP?

3.54 mol

0.104 mol

216 mol

0.430 mol

11.

What is the molar mass of Zn(C₂H₃O₂)₂?

392.8g/mol

142.9g/mol

361g/mol

183.5 g/mol

12.

Which conversion factor should be used to solve the following, "How many moles in 28 grams of CO₂?"

1 mol = 22.4 L

1 mol = 44.01 g

1 mol = 6.02x10²³ atoms

more than one

13.

What is the molar mass of Hydrogen Peroxide (H₂O₂)?

48 g/mole

34.02 g/mole

36.5 g/mole

35.5 g/mole

14.

What is the mass of 0.89 mol of CaCl₂?

111 grams

0.008 grams

98.9 grams

none of the choices

15.

How many moles are in 16.94g of water?

16.94 mol H₂O

0.9401 mol H₂O

305.3 mol H₂O

1.063 mol H₂O

16.

What is the molar mass of table salt (NaCl)?

116.886 g/mol

35.453 g/mol

22.990 g/mol

58.443 g/mol

17.

What is the mass of one mole of silver?

32.06 g

107.87 g

14.01 g

22.99 g

18.

48.86 g of cobalt is equal to how many moles of cobalt?

2879 moles

8.291 moles

.8291 moles

.829 moles

19.

What is the mass of 2.3456 g moles of W?

431.22 grams

0.012759 grams

78.376 grams

486.01 grams

20.

What is the molar mass of potassium?

19 g/mol

22.990 g/mol

40.08 g/mol

39.098 g/mol

100 %

Review Mole Calculations

Total questions: 20

Worksheet time: 3600secs

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