Free Printable Chapter 10 Review- The Mole

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Chapter 10 Review- The Mole

Total questions: 33

Worksheet time: 3hrs 45mins

Name

Class

Date

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

1 mole

2 moles

6.02 moles

602000000000000000000000 moles

Calculate the Molar mass of ammonium phosphate (NH₄)₃PO₄

113.0 g/mol

121.0 g/mol

149.0 g/mol

242.0 g/mol

Allicin, C₆H₁₀S₂O is the compound that gives garlic its odor. How many carbon atoms total are there in 165 grams of the compound?

3.67 x 10²⁴

1.03 x 10²³

1.81 x 10 ²²

5.02 x 10²⁵

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 0.8 moles of water?

5.28 x 10^-23 molecules

1.91 x 10²⁵ molecules

4.8x 10²³molecules

1.91 x 10²³ molecules

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

an equivalent value

a conversion factor

the number of atoms in the formula

the mass of the substance

How many moles there are in 5.68 x 10²⁴ formula units of MgCO₃?

3.42 x 10²⁴ moles

9.44 x 10²⁴ moles

9.44 moles

9.30 moles

How many moles are in 2.5 x 10²³ atoms of lithium?

2.71 x 10⁴⁸ moles

0.42 moles

7.47 x 10²⁴ atoms

2.71 moles

How many moles of Na contain 1.45 x 10²⁴ atoms of Na?

8.73 x 10⁴⁴ moles

8.73 moles

0.00241 moles

2.41 moles

10.

What is the mass in grams of 3.25 mol C₈H_18?

.0512 g

19.9 g

371 g

250 g

11.

How many moles are in 19.82 g Mg?

1.226mol Mg

481.7mol Mg

1.000mol Mg

0.8156 mol Mg

12.

Determine the molar mass for propane CH₃

15.83 g/mol

1.733 g/mol

18.22 g/mol

15.04 g/mol

13.

How many grams are in 0.523 mol of AlPO₄?

63.78 g

38.68 g

47.23 g

55.43 g

14.

How many oxygen atoms are in 5 grams of copper II sulfate, CuSO₄ ?

7.55 x 10²²atoms

19.7 atoms

39.5 x 10²³ atoms

7.45 g

15.

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

16.

Which conversion factor should be used for the following question " How many molecules are there in 4.00 moles of glucose, C₆H₁₂O₆?

1 mole = 78.12 g

1 mole = 22.4 L

1 mol = 6.02x 10²³ particles

more than one

17.

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

48 g/mole

34.02 g/mole

36.5 g/mole

35.5 g/mole

18.

The number 6.02 x 10²³, which is the number of particles found in a mole.

molar mass

mole

Avogadro's number

hydrate

19.

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

20.

How many molecules are in 9.44 moles of AlCl₃?

5.68 molec AlCl₃

5.68x10²⁴molec AlCl₃

0.705 molec AlCl₃

1.25x10²³molec AlCl₃

21.

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

24 molecules

180 molecules

180 g

6.02 x 10²³molecules

22.

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

23.

How many moles are in 19.82 g Mg?

1.226mol Mg

481.7mol Mg

1.000mol Mg

0.8156 mol Mg

24.

Which of the following dimensional analysis setups will correctly convert 4.00x10²³atoms of cobalt to moles of cobalt? How many moles of colbalt are there?

setup B : 0.6644mol Co

setup A: 2.41x10⁴⁷mol Co

setup A : 0.664mol Co

setup B: 2.41x10⁴⁷mol Co

25.

How many moles are in 3.01 x 10²² atoms of magnesium?

0.050 moles

1.81 x 10⁴⁶ moles

5.00 x 10²¹ moles

5.00 moles

26.

Which has more atoms, 12.0 mol of C or 12.0 mol of Ca?

12.0 mol C

12.0 mol Ca

They are equal

27.

What is the molar mass of AuCl₃?

96 g

130 g

232.5 g

303.3 g

28.

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

29.

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

14.01 amu

14.01 g

28.02 g

28.02 amu

30.

What is the mass of one mole of aluminum?

26.982 g

13 g

53.985 g

14 g

31.

How many moles are in 15 grams of Lithium?

2.14

0.47

105

32.

How many grams are in 2.4 moles of Sulfur?

76.8

0.075

13.3

33.

4.0 moles of H₂O would have what mass?

72 g

23 g

68 g

4.5 g

100 %

Chapter 10 Review- The Mole

Total questions: 33

Worksheet time: 3hrs 45mins

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