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Moles and % Composition

Last updated over 7 years ago

20 questions

Note from the author:

Basic mole to grams and grams to mole conversion and percent composition

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368 g

184 g

130 g

200 g 

4 mol

1 mol 

3 mol 

2 mol 

 The molar mas is 103 g

22 % Na 

60 % Br 

40 % Na 

77 % Br

0. 5 mol 

1. 2 mol 

0.21 mol 

1 mol 

12

110 g

33 g

50 g

10 % N 

90 % Mg

50 % N 

74 % Mg 

150 g

62 g

200 g

186 g

1 mol 

2.4 mol 

1.3 mol 

2 mol 

320 g

169 g

69 g

220 g

0.2 mol

0. 02 mol

1.2 mol

0.002 mol

158 g

123 g

474 g

316 g

90 % Cl 

80 % Al 

20 % Cl 

22 % Al 

All wrong 

Select all that apply 

2 % H

44 % C

Electrons are transferred

This is a molecule 

Electrson are shared 

50 % O 

This is an ionic compund 

20 g

40 g

56 g

80 g

40 % C

26 % F

molar mas = 94 g/mol

34 % O

This is an ionic compound

63 g

32 g

42 g

53 g

1 mol 

0.5 mol 

2 mol 

1.5 mol 

20 % O

Electrons are shared

This is an ionic compound

6 % C

85 % Br

3.2 mol 

1.2 mol 

4.2 mol 

2.2  mol 

99 grams

174 g

58 g

29 g