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Worksheets

Stoichiometry

Total questions: 20

Worksheet time: 5hrs 0mins

Name
Class
Date
1.

What is the molar mass of Lithium Bicarbonate?

a)

68 g/mol

b)

86 g/mol

c)

74 g/mol

d)

60 g/mol

2.

What is the molar mass of Iron(III) Phosphate?

a)

151 g/mol

b)

135 g/mol

c)

263 g/mol

d)

87 g/mol

3.

How many moles are in 7 grams of lithium?

a)

1 mol

b)

7 mol

c)

3.5 mol

d)

0.5 mol

4.

How many grams is in 3 moles of Sodium Chloride

a)

175.5 g

b)

58.5 g

c)

19.5 g

d)

282 g

5.

Balance the equation:

__CH4+__O2→__CO2+__H2O

a)

1, 1, 1, 2

b)

2, 1, 2, 1

c)

1, 2, 1, 2

d)

1, 2, 2, 2

6.

Balance the synthesis equation:

Iron(II) Hydroxide + Oxygen Gas (O2) + Water → Iron(III) Hydroxide

a)

1, 2, 1, 1

b)

2, 1, 1, 2

c)

4, 1, 2, 4

d)

3, 1, 2, 3

7.

What reaction type is the following unbalanced equation?

H2+O2→H2O

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

8.

What reaction type is the following unbalanced equation?

H2O→H2+O2

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

9.

What reaction type is the following unbalanced equation?

Li+HBr→H2+LiBr

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

10.

What reaction type is the following unbalanced equation?

CH4+O2→H2O+CO2

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

11.

What reaction type is the following unbalanced equation?

Lithium Chloride + Potassium Permanganate → Potassium Chloride + Lithium Permanganate

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

12.

The combustion of 1 mol of Methane (CH4) will produce how many moles of Carbon Dioxide?

a)

0.5 mol

b)

1 mol

c)

2 mol

d)

3 mol

e)

4 mol

13.

What is the mass of silver produced from 63.5 g of copper in the single replacement reaction:

Cu+AgNO3→Ag+Cu(NO3)2

a)

54 g

b)

108 g

c)

216 g

d)

432 g

14.

What is the molar mass of carbon dioxide?

a)

44 g/mol

b)

26 g/mol

c)

40 g/mol

d)

12 g/mol

e)

IDKWTH2Do

15.

A common isotope of Carbon is Carbon-14. This means that it has a molar mass of...

a)

12.011 g/mol

b)

14 g/mol

c)

12 g/mol

d)

6 g/mol

16.

The molar mass of carbon dioxide if the carbon present is the isotope carbon-14 and the oxygen present is the isotope oxygen-16 would be...

a)

44 g/mol

b)

46 g/mol

c)

48 g/mol

d)

50 g/mol

17.

Balance the equation:

Sodium Bicarbonate→Sodium Carbonate+Water+Carbon Dioxide

a)

1, 2, 1, 2

b)

2, 1, 2, 2

c)

2, 1, 1, 1

d)

2, 1, 2, 1

18.

2 g of Sodium Bicarbonate will decompose into how many grams of Sodium Carbonate?

NaHCO3→Na2CO3+CO2+H2O

a)

1.26 g

b)

5.05 g

c)

1.58 g

d)

1.07 g

19.

Which of the following is the most amount of moles?

a)

15.0 g He

b)

15.0 Ne

c)

15.0 g Ar

d)

15.0 g Kr

e)

15.0 g Xe

20.

Which of the following is the least amount of moles?

a)

15.0 g He

b)

15.0 Ne

c)

15.0 g Ar

d)

15.0 g Kr

e)

15.0 g Xe