Sign up for FREE

Moles and % Composition

Last updated about 5 years ago

20 questions

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 16

16.

Question 17

17.

Question 18

18.

Question 19

19.

Question 20

20.

368 g

184 g

200 g 

130 g

3 mol 

4 mol

1 mol 

2 mol 

 The molar mas is 103 g

40 % Na 

60 % Br 

77 % Br

22 % Na 

1. 2 mol 

0.21 mol 

1 mol 

0. 5 mol 

110 g

33 g

12

50 g

10 % N 

74 % Mg 

90 % Mg

50 % N 

186 g

62 g

200 g

150 g

1 mol 

2.4 mol 

1.3 mol 

2 mol 

169 g

320 g

69 g

220 g

0.002 mol

0.2 mol

0. 02 mol

1.2 mol

316 g

474 g

123 g

158 g

20 % Cl 

90 % Cl 

All wrong 

80 % Al 

22 % Al 

Select all that apply 

Electrson are shared 

This is a molecule 

This is an ionic compund 

44 % C

50 % O 

Electrons are transferred

2 % H

40 g

80 g

20 g

56 g

molar mas = 94 g/mol

34 % O

40 % C

26 % F

This is an ionic compound

53 g

63 g

32 g

42 g

0.5 mol 

2 mol 

1 mol 

1.5 mol 

20 % O

6 % C

85 % Br

This is an ionic compound

Electrons are shared

4.2 mol 

3.2 mol 

2.2  mol 

1.2 mol 

99 grams

29 g

174 g

58 g